KR930000237A - Triple wall plastic pipe compression method and apparatus - Google Patents

Triple wall plastic pipe compression method and apparatus Download PDF

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Publication number
KR930000237A
KR930000237A KR1019910010797A KR910010797A KR930000237A KR 930000237 A KR930000237 A KR 930000237A KR 1019910010797 A KR1019910010797 A KR 1019910010797A KR 910010797 A KR910010797 A KR 910010797A KR 930000237 A KR930000237 A KR 930000237A
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annular
path
distribution
wall
hollow
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KR1019910010797A
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Korean (ko)
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KR940003716B1 (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

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

Abstract

내용 없음No content

Description

3중벽 플라스틱 파이프 압출방법 및 그 장치Triple wall plastic pipe extrusion method and device

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 cross-sectional view taken along the line AA of FIG.

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

1 : 분배헤드 2 : 압출헤드1: distribution head 2: extrusion head

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

3b,4a : 유입로 1a,5a,28a,33a,35a : 유도경사면3b, 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 15,26,27 : 중공13,14,18: ring inlet 15,26,27: hollow

16 : 분배로 17 : 안내돌부16: distribution path 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 (4)

적정형태를 갖는 분배헤드 일측의 압출헤드에 제1, 2압출기가 병행설치되어 제1압출기로는 성형되는 파이프의 중간벽체를 이루게 되는 용융원료를 압출시키도록 되고, 제2압출기로는 파이프의 내, 외벽체를 이루게 되는 용융원료를 압출시키도록 되며, 분배헤드 타측의 압출다이내에는 맨드럴이 설치되어 압출다이와 맨드럴사이에 환상유출구로 형성되도록 되고, 분배헤드 내측에는 분배기가 설치되어 제1, 2압출기를 통해 압출되는 각각의 원료가 분배기를 거치면서 3중으로 분리되어 소정지점에서 겹쳐진 후, 환상유출로를 통과하면서 유출구로 압출되어 소정직경의 플라스틱 파이프가 성형되도록된 압출방법에 있어서, 분배헤드내측의 분배기는, 2개의 전, 후방 분배판을 상호 조합하여 이루되, 각각의 전, 후방 분배판에는 동일 선상에 위치되는 동심원상태의 환상유입구를 복층상태로 각각 형성하여 대, 소직경의 환상유입로가 각각 형성되도록 함으로서 내, 외벽체를 이루게 되는 소정원료의 유입로 기능을 갖도록 하고, 전방 분배판의 중앙부에는 중공을 관통 형성함과 동시에 전, 후방 분배판의 상호 접촉부위에는 방사선형태로 분배로를 형성하여 상기 중공과 연통되도록 하며, 후방 분배판에 형성된 각각의 환상유입구 사이에 위치되는 부위는 사다리꼴 형태로 돌출형성하여 안내돌부를 이루되 안내돌부의 중앙에는 환상유입로(18)를 형성하여 상기 중공 및 분배로와 연통되도록 함으로서 중간벽체를 이루게 되는 소정원료의 유입로기능을 갖도록 하고, 각각의 환상유입구 및 환상유입로상에는 방사선상태로 다수개의 블레이드부를 가공 형성하여 이루는 한편, 전방분배판의 외측면에는 환형의 유도판 및 중공을 갖는 원추형의 유도체를 조립 설치하되, 유도판과 유도체 사이에는 상기 전, 후방 분배판에 의해 형성되는 내측의 환상유입로와 일치하는 내벽체 유도로가 형성되도록 함과 동시에 유도판의 외면에는 유도경사면을 형성하여 분배헤드 내측의 유도경사면과의 사이에 외벽체 유도로가 형성되도록 하고 원추형의 유도체 끝단은 상기 제1압출기의 끝단에 일치시켜 주면서 상기 전, 후방 분배판에 형성되는 외측의 환상유입로와 압출헤드에 조립된 제1압출기의 내, 외벽체 유입로 사이에 원료유입로가 형성되도록 하고, 상기 유도체의 중공 일단은 제1압출기의 유입로에, 중공 타단은 상기 전방 분배판의 중공에 각각 일치시켜 제1압출기의 유입로로 부터 유도체의 중공, 전방 분배판의 중공, 전, 후방 분배판의 분배로, 후방 분배판의 환상유입로까지 연통되도록 함으로서, 제1압출기로부터 공급되는 용융원료가 순차적으로 통과하면서 성형파이프의 중간벽체를 이루도록 하며, 분배헤드 일측에 조립된 압출다이와 상기 후방 분배판 사이에는 환형의 안내판을 개재 설치하되, 안내판의 내경에는, 압출다이의 유도경사면과 상기 전, 후방 분배판에 형성되는 외측의 환상유입로 사이를 연결하는 유도경사면을 형성하여 후방 분배판의 안내돌부 외경과 유도경사면 사이에 외벽체 유도로가 형성되도록 하고 후방 분배판의 중심부에는 유도경사면을 갖는 안내체를 조립 설치하면서 상기 안내돌부의 내경과 안내체의 유도경사면 사이에 내벽체 유도로가 형성되도록 하여 분배기를 이룸으로서, 상기 제1, 2압출기로부터 공급되는 용융원료가 내, 외벽체 유도로 및 안내돌부의 환상유입로를 각기 통과한 후 3중으로 겹쳐진 상태로서 환상유출로를 통과하면서 유출로로 유출되어 소정직경의 파이프가 제조 성형되도록 하는 것을 특징으로 하는 3중벽 플라스틱 파이프 압출방법.The first and second extruders are installed in parallel to the extrusion head on one side of the distribution head having a proper shape to extrude the molten raw material forming the intermediate wall of the pipe to be formed by the first extruder. To extrud the molten raw material forming the outer wall, the mandrel is installed in the extrusion die on the other side of the distribution head to form an annular outlet between the extrusion die and the mandrel. In the extrusion method in which each raw material extruded through the extruder is divided into three through a distributor and overlapped at a predetermined point, and then extruded through the annular outflow path to the outlet to form a plastic pipe having a predetermined diameter. The inner distributor is formed by combining two front and rear distribution plates, and the front and rear distribution plates are located on the same line. The annular inlet in the original state is formed in a multi-layered state so that the large and small diameter annular inlet paths are formed, respectively, so as to have a function of the inflow path of the predetermined raw material that forms the inner and outer walls, and a hollow is formed through the center of the front distribution plate. At the same time, a distribution path in the form of radiation is formed on the mutually contacting portions of the front and rear distribution plates so as to communicate with the hollow, and portions located between the annular inlets formed in the rear distribution plates are formed to project in a trapezoidal shape. By forming a protrusion but in the center of the guide protrusion to form an annular inlet path 18 to communicate with the hollow and distribution path to have a function of the inlet path of the predetermined raw material to form an intermediate wall, each annular inlet and annular inlet While forming a plurality of blades in the state of radiation on the upper surface, while the outer surface of the front distribution plate annular Assembling and installing a conical derivative having a guide plate and a hollow, but between the guide plate and the derivative to form an inner wall induction path matching the inner annular inlet path formed by the front and rear distribution plates, and at the same time An inclined surface is formed on the outer surface of the outer wall to form an induction path between the inclined surface inside the distribution head, and the end of the conical derivative coincides with the end of the first extruder while being formed on the front and rear distribution plates. A raw material inflow path is formed between the annular inflow path of the first extruder assembled in the extrusion head and the outer wall inflow path, and the hollow end of the derivative is in the inflow path of the first extruder, and the hollow other end is the front distribution plate. The annulus of the rear distribution plate by distributing the hollow of the derivative, the hollow of the front distribution plate, the front and rear distribution plates from the inlet of the first extruder, respectively By communicating with the inflow path, the molten raw material supplied from the first extruder sequentially passes to form an intermediate wall of the forming pipe, and an annular guide plate is interposed between the extrusion die assembled at one side of the distribution head and the rear distribution plate. In the inner diameter of the guide plate, an inclined surface that connects the inclined surface of the extrusion die and the outer annular inlet path formed on the front and rear distribution plates is formed so that the outer wall guide path between the outer diameter and the inclined surface of the guide protrusion of the rear distribution plate. 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 at the center of the rear distribution plate, thereby forming the distributor. The melted raw material supplied from the extruder has an inner and outer wall guide path and an annular inflow path of the guide protrusion, respectively. It is as it passes through the annular outlet into a state overlapped in triplicate after excessive leakage to a third outlet pipe-wall plastic extrusion method characterized in that the predetermined diameter of the pipe to be manufactured the molding. 분배헤드 일측의 압출헤드에 제1, 2압출기를 병행 설치하여 제1압출기에는 성형되는 파이프의 중간벽체를 이루게 되는 원료를 압출시키고 제2압출기에는 내, 외벽체를 이루게 되는 원료 압출시키도록 하며, 분배헤드 타측의 압출다이내에는 맨드럴을 설치하여 압출다이와 맨드럴 사이에 소정폭의 환상유출로가 형성되도록 되고, 분배헤드 내측에는 분배기를 설치하여 제1, 2압출기를 통해 압출되는 각각의 원료가 분배기를 거치면서 3중으로 분리되어 소정지점에서 복층상태로 겹쳐진 후 환상유출로를 통과하면서 유출구로 압출되어 소정직경의 플라스틱 파이프가 성형되도록 된 압출장치에 있어서, 분배헤드 내측의 분배기는 2개의 전, 후방 분배관을 상호 조합하여 이루되, 각각의 전, 후방분배판에는 파이프의 내, 외벽체를 이루는 원료의 유입로로서 대, 소직경의 환상유입구를 동심원 형태로 각각 형성하여 복층의 환상유입로가 각각 형성되도록 하고, 전방 분배판의 중앙부에는 중공을 관통 형성함과 동시에 각각의 전, 후방 분배판 접촉부위에는 방사선 형태의 분배로를 형성하며, 후방분배판의 내, 외측 환상유입구 사이에 위치되는 부위는 사다리꼴 형태로 돌출 형성하여 안내돌부를 이루되, 안내돌부 중앙에는 상기 전방 분배판의 중공 및 분배로와 연통되는 상태의 환상유입로를 관통 형성하여 이루고, 각각의 환상유입구 및 환상유입로상에는 방사선 형태의 블레이드부를 다수 형성하여 이루는 한편, 전방 분배판의 외측에는 환형의 유도판 및 중공을 갖는 원추형의 유도체를 조립 설치하되, 유도판과 유도체 사이에는 상기 전, 후방 분배판에 형성되는 내측의 환상유입로와 일치하는 내벽체 유도로가 형성되도록 함과 동시에 유도판의 외면에는 유도경사면을 형성하여 분배헤드 내측의 유도경사면과의 사이에 외벽체 유도로가 형성되도록 함으로서, 상기 전, 후방 분배판에 형성되는 외측의 환상유입로와 압출헤드의 제1압출기에 형성된 내, 외벽체 유입로사이에 상향경사지는 원료유입로가 형성되도록 하며, 상기 유도체의 중공 일단은 제1압출기의 유입로에 중공 타단은 전방 분배판의 중공에 각각 일치시켜 제1압출기의 유입로로 부터 유도체의 중공, 전방 분배판의 중공, 전, 후방 분배판의 분배로, 안내돌부의 환상유입로까지 연통되도록 함으로서, 제1압출기로부터 공급되는 원료가 순차적으로 통과하면서 성형파이프의 중간벽체를 이루도록 하고, 분배헤드 일측의 압출다이와 후방 분배판 사이에는 환형의 안내판을 개재 설치하되, 안내판의 내경에는 압출다이의 유도경사면과 전, 후방 분배판의 외측 환상유입로 사이를 연결하는 유도경사면을 형성하여 후방 분배판의 안내돌부 외경과 유도경사면 사이에 외벽체 유도로가 형성되도록 하고, 후방 분배판의 중심부에는 유도경사면을 갖는 사다리꼴형 안내체를 조립하면서 상기 안내돌부의 내경과 안내체의 유도경사면 사이에 내벽체 유도로가 형성되도록 하여 분배기를 구성한 것을 특징으로 하는 3중벽 플라스틱 파이프 압출장치.The first and second extruders are installed in parallel in the extrusion head on one side of the distribution head to extrude the raw material that forms the intermediate wall of the pipe to be formed in the first extruder and the raw material that forms the inner and outer walls to the second extruder. A mandrel is installed in the extrusion die on the other side of the head so that an annular flow path having a predetermined width is formed between the extrusion die and the mandrel. A dispenser is provided inside the distribution head to feed each raw material extruded through the first and second extruders. In the extruder which is divided into three through a distributor and overlapped in a multi-layered state at a predetermined point and then extruded through the annular outflow path to form a plastic pipe of a predetermined diameter, the distributor inside the distribution head has two front, The rear distribution pipes are combined with each other, and each of the front and rear distribution plates is provided as an inflow path of raw materials forming the inner and outer walls of the pipe. Large and small diameter annular inlets are formed in the form of concentric circles to form a plurality of annular inlet paths, respectively, and through the hollow at the center of the front distribution plate, and at the front and rear distribution plate contact areas, respectively. A portion formed between the inner and outer annular inlets of the rear distribution plate is formed in a trapezoidal shape to form a guide protrusion, and the center of the guide protrusion communicates with the hollow and the distribution path of the front distribution plate. It is formed by passing through the annular inlet path of the state, and each of the annular inlet and the annular inlet path is formed by forming a plurality of blades in the form of radiation, while on the outside of the front distribution plate to assemble a conical derivative having an annular guide plate and a hollow. The inner wall body is installed between the guide plate and the derivative, and coincides with the annular inflow path formed in the front and rear distribution plates. The outer wall of the guide plate to form a road at the same time to form an inclined inclined to form an outer wall induction path between the induction inclined surface inside the distribution head, the outer annular inflow path formed in the front and rear distribution plate and An inclined raw material inflow path is formed between the inner and outer wall inflow paths formed in the first extruder of the extrusion head, and the hollow end of the derivative corresponds to the inflow path of the first extruder and the other end of the hollow corresponds to the hollow of the front distribution plate. The raw material supplied from the first extruder is sequentially passed through the inlet path of the first extruder to communicate with the hollow of the derivative, the hollow of the front distribution plate, the distribution of the front and rear distribution plates, and the annular inlet of the guide protrusion. While forming the intermediate wall of the forming pipe, the annular guide plate is installed between the extrusion die and the rear distribution plate on one side of the distribution head, In the inner diameter of the plate, an inclined slope that connects the inclined surface of the extrusion die and the outer annular inflow path of the front and rear distribution plates is formed so that an outer wall guide path is formed between the outer diameter of the guide protrusion and the inclined surface of the rear distribution plate. Triple wall plastic pipe extrusion apparatus characterized in that the distributor is formed by assembling a trapezoidal guide having an inclined surface in the center of the distribution plate to form an inner wall induction path between the inner diameter of the guide protrusion and the inclined surface of the guide. . 제2항에 있어서, 분배기를 이루는 전방 분배판의 중공 외측부에 환테형을 갖는 대, 소경의 결합돌부를 적정간격으로 돌출 형성하고, 상기 전방 분배판에 조립되는 환형의 유도판과 원추형의 유도체 접촉면에는 상기 전방 분배판상의 결합돌부에 일치하는 결합요부를 형성하여 신속정확하게 조립토록 함과 동시에 조립상태가 견고히 유지되도록 하여 구성된 것을 특징으로 하는 3중벽 플라스틱 파이프 압출장치.The contact surface of the annular guide plate and the conical derivative of claim 2, wherein the annular guide plate and the conical inductor are formed in the hollow outer portion of the front distribution plate constituting the distributor and protrude at a suitable interval. The triple wall plastic pipe extrusion apparatus, characterized in that to form a coupling recess corresponding to the engaging protrusion on the front distribution plate to be quickly and accurately assembled and at the same time to maintain the assembled state. 제2항에 있어서, 분배기를 이루는 후방 분배판의 중심부위에 결합돌부를 돌출 형성하고, 상기 후방분배판에 조립되는 사다리꼴형의 안내체 접촉면에는 상기 결합돌부에 일치하는 결합요부를 형성하여 신속 정확하게 조립토록 함과 동시에 조립상태가 견고히 유지되도록 하여 구성된 것을 특징으로 하는 3중벽 플라스틱 파이프 압출장치.The method according to claim 2, wherein the engaging projection is formed on the center of the rear distribution plate constituting the distributor, and the trapezoid-shaped guide body contact surface assembled to the rear distribution plate forms a coupling recess corresponding to the engaging projection to quickly and accurately assemble. Triple wall plastic pipe extrusion apparatus, characterized in that configured to maintain a solid and at the same time solid state. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910010797A 1991-06-27 1991-06-27 Extrusion method and apparatus for plastic pipe KR940003716B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100523828B1 (en) * 2002-11-12 2005-10-24 정한석 Three Layer polyethylene drain pipe and the manufacturing process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100523828B1 (en) * 2002-11-12 2005-10-24 정한석 Three Layer polyethylene drain pipe and the manufacturing process

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