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KR102112988B1 - Changeable extruder - Google Patents

Changeable extruder Download PDF

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Publication number
KR102112988B1
KR102112988B1 KR1020190175037A KR20190175037A KR102112988B1 KR 102112988 B1 KR102112988 B1 KR 102112988B1 KR 1020190175037 A KR1020190175037 A KR 1020190175037A KR 20190175037 A KR20190175037 A KR 20190175037A KR 102112988 B1 KR102112988 B1 KR 102112988B1
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KR
South Korea
Prior art keywords
hopper
extrusion molding
molding apparatus
variable
screw
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KR1020190175037A
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Korean (ko)
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김도상
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김도상
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Priority to KR1020190175037A priority Critical patent/KR102112988B1/en
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Priority to PCT/KR2020/007821 priority patent/WO2021132820A1/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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2561—Mounting or handling of the screw
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/802—Heating

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

Abstract

The present invention relates to a variable extrusion molding device, which comprises: a hopper (120) in which a plurality of opening ports (111) are formed on an upper portion of a barrel (110) to move to any one of the plurality of opening ports depending on materials; and a plurality of screws (130) pressing and moving forward toward a die by transferring the materials from the hopper, and prepared in different proportions of the diameter and effective length of each section according to the materials. The hopper is varied according to the materials, and a screw having the required length is selected and mounted on the extrusion molding device.

Description

가변 압출 성형장치{Changeable extruder}Variable extruder {Changeable extruder}

본 발명은 가변 압출 성형장치에 관한 것으로, 상세하게는 압출기 호퍼의 위치를 조절하고 그에 따른 스크루를 선택 장착하여 하나의 압출기에서 다양한 재료를 압출 성형할 수 있는 가변 압출 성형장치에 관한 것이다.The present invention relates to a variable extrusion molding apparatus, and more particularly, to a variable extrusion molding apparatus capable of extruding various materials in one extruder by adjusting the position of the extruder hopper and selectively mounting screws accordingly.

압출기는 호퍼를 통해 공급된 원료에 열과 압력을 가하여 용융시킨 후 스크루의 회전에 의해 금형(die)을 통과시킴으로써 봉, 파이프 또는 시트형상 등의 제품을 성형하는 장치이다. The extruder is a device that molds products such as rods, pipes, or sheet shapes by passing heat and pressure to the raw material supplied through the hopper to melt it, and then passing the die through rotation of the screw.

압출기는 일반적으로 재료에 따라 스크루의 직경과 유효길이의 비율이 달라져야 하므로 재료별로 다른 압출기가 필요하여 설비 비용과 설치 면적이 늘어나는 문제점이 있다.The extruder generally requires a different extruder for each material because the ratio of the diameter of the screw to the effective length depends on the material, which increases the cost of equipment and installation area.

종래의 기술로 특허문헌 1에서 다수의 공급 포트를 갖춘 용융 혼련 장치를 사용하여 조성물을 제조하기 위한 방법에 관하여 개시되어 있지만, 기다란 원통형 배럴을 구간마다 연결하여 장시간에 걸쳐 안정적으로 작동하는 것에 문제점이 있다. Although the prior art discloses a method for preparing a composition using a melt-kneading apparatus having a plurality of supply ports in Patent Document 1, there is a problem in that a long cylindrical barrel is connected for each section to stably operate for a long time. have.

한국공개특허 제2001-0049478호Korean Patent Publication No. 2001-0049478

상기와 같은 문제점을 해결하기 위하여 본 발명은 각각의 재료에 대응하여 호퍼의 위치를 가변하여 하나의 압출기로 복수의 재료를 성형할 수 있는 가변 압출 성형장치를 제공한다.In order to solve the above problems, the present invention provides a variable extrusion molding apparatus capable of molding a plurality of materials with one extruder by varying the position of the hopper corresponding to each material.

본 발명은 재료에 따라 다른 길이의 스크루를 구비하여 하나의 압출 성형장치로 다양한 재료를 수용할 수 있게 한 가변 압출 성형장치를 제공한다.The present invention provides a variable extrusion molding apparatus having screws of different lengths according to the material to accommodate various materials with one extrusion molding apparatus.

상기 해결하고자 하는 과제를 위한 본 발명에 따른 가변 압출 성형장치는, 배럴(110) 상부에 복수의 개폐구(111)가 형성되어 재료에 따라 상기 복수의 개폐구 중 어느 하나의 위치로 이동 가능한 호퍼(120) 및 상기 호퍼로부터 재료를 전달받아 다이 쪽으로 가압 전진시키고, 재료에 따라 각 구간의 직경과 유효길이의 비율이 다르게 준비된 복수의 스크루(130)를 포함하여 재료에 따라 호퍼를 가변시키고 그에 따른 길이의 스크루를 선택하여 압출 성형장치에 장착하는 것을 특징으로 한다. The variable extrusion molding apparatus according to the present invention for the problem to be solved is formed with a plurality of openings 111 on the top of the barrel 110, the hopper 120 can be moved to any one of the plurality of openings depending on the material ) And receiving the material from the hopper and pressurized forward toward the die, and includes a plurality of screws 130 prepared in different proportions of the diameter and effective length of each section according to the material to vary the hopper according to the material and accordingly It is characterized in that the screw is selected and mounted on the extrusion molding apparatus.

상기 호퍼는 이송수단(140)에 의하여 위치가 가변되고 그에 따른 스크루를 선택 사용하는 것을 특징으로 한다.The hopper is characterized in that the position is variable by the conveying means 140 and a screw is used accordingly.

상기 복수의 개폐구는 개폐수단에 의하여 개폐되는 것을 특징으로 한다.The plurality of openings and closing is characterized in that it is opened and closed by opening and closing means.

상기 이송수단은 레일봉 형태로 상기 호퍼의 하단부에 결합된 롤러와 상기 롤러와 결합되어 횡방향으로 슬라이드되도록 형성된 것을 특징으로 한다.The transfer means is characterized in that it is formed to slide in the transverse direction by being coupled to the roller and the roller coupled to the lower end of the hopper in the form of a rail rod.

상기 배럴 외주면은 가열수단이 소정 구역으로 나뉘어져 있어 재료에 따라 선택적으로 가열되는 것을 특징으로 한다.The outer circumferential surface of the barrel is characterized in that the heating means is divided into predetermined zones and selectively heated according to the material.

본 발명은 압출기의 호퍼 위치를 조절하고, 재료에 따른 스크루를 구비하여 다양한 재료를 성형할 수 있기 때문에 설비 투자 대수 감소와 설치 면적을 줄일 수 있어 투자비용을 절감할 수 있다.According to the present invention, since the hopper position of the extruder can be adjusted and various materials can be molded by having screws according to materials, the number of equipment investments and the installation area can be reduced, thereby reducing investment costs.

또한, 하나의 압출 장비를 사용하므로 가동률을 높여 생산 단가를 낮출 수 있다.In addition, since one extrusion equipment is used, the production cost can be lowered by increasing the utilization rate.

도 1은 본 발명에 따른 가변 압출 성형장치를 도시한 단면도이다.
도 2는 도 1의 A 부분을 도시한 단면도이다.
도 3은 본 발명에 따른 스크루의 구조를 상세하게 나타낸 도면이다.
도 4는 재료에 따른 유효길이를 다르게 형성한 실시예로 (a)는 가교폴리에틸렌용, (b)는 폴리머용 스크루, (c)는 고무용 스크루를 도시한 도면이다.
도 5는 본 발명의 개폐수단을 도시한 평면도이다.
도 6은 본 발명의 동작 제어 시스템을 도시한 블록도이다.1 is a cross-sectional view showing a variable extrusion molding apparatus according to the present invention.
FIG. 2 is a cross-sectional view showing part A of FIG. 1.
3 is a view showing in detail the structure of the screw according to the present invention.
4 is an embodiment in which the effective length is formed differently depending on the material (a) is a cross-linked polyethylene, (b) is a polymer screw, (c) is a view showing a rubber screw.
5 is a plan view showing the opening and closing means of the present invention.
6 is a block diagram showing the motion control system of the present invention.

이하, 첨부 도면들 및 첨부 도면들에 기재된 내용을 참조하여 본 발명의 실시예를 상세하게 설명하지만, 본 발명이 실시예에 의해 제한되거나 한정되는 것은 아니다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and the contents described in the accompanying drawings, but the present invention is not limited or limited by the embodiments.

가변 압출 성형장치(100)는 배럴(110) 상부에 복수의 개폐구(111)가 형성되어 재료에 따라 상기 복수의 개폐구(111) 중 어느 하나의 위치로 이동 가능한 호퍼(120)와 상기 호퍼로부터 재료를 전달받아 다이(die) 쪽으로 가압 전진시키고, 재료에 따라 각 구간의 직경과 유효길이의 비율이 다르게 준비된 복수의 스크루(130)를 포함한다.The variable extrusion molding apparatus 100 is formed with a plurality of openings 111 on the top of the barrel 110, and can be moved to any one of the plurality of openings 111 according to the material. It includes a plurality of screws 130 are prepared to be different from the ratio of the diameter of each section and the effective length according to the material, pressurized forward toward the die (die).

도 1은 본 발명에 따른 가변 압출 성형장치(100)를 도시한 단면도이며, 도 2는 도 1의 A 부분을 도시한 단면도이다. 1 is a cross-sectional view showing a variable extrusion molding apparatus 100 according to the present invention, and FIG. 2 is a cross-sectional view showing part A of FIG. 1.

상기 압출 성형장치(100)는 배럴(110) 내부에 스크루(130)가 삽입되고 구동수단(170)의 구동력을 전달받아 회전한다. 상기 배럴(110)은 원통 형상을 하며, 일측 상부에는 재료가 투입될 수 있도록 복수의 개폐구(111)가 형성되고, 여기에서 상기 개폐구(111)와 연결되는 호퍼(120)는 배럴(110) 내부로 재료를 공급한다. 상기 스크루(130)는 호퍼(120)로부터 재료를 전달받아 다이 쪽으로 재료가 배출된다. The extrusion molding apparatus 100 is inserted into the barrel 110, the screw 130 is inserted and rotates by receiving the driving force of the driving means 170. The barrel 110 has a cylindrical shape, and a plurality of openings 111 are formed to allow material to be introduced at one side, and the hopper 120 connected to the openings 111 is inside the barrel 110 Furnace supplies. The screw 130 receives the material from the hopper 120 and the material is discharged toward the die.

상기 개폐구(111)는 다구간을 동시에 사용할 수 있으며 호퍼(120)없이 직접 재료가 투입될 수 있다.The opening and closing opening 111 may use multiple sections at the same time, and materials may be directly input without the hopper 120.

상기 스크루(130)의 유효길이는 개폐구(111)의 위치와 동일하며, 재료에 따라 각 구간의 직경(diameter)과 유효길이(length)의 비율을 다르게 형성한다. The effective length of the screw 130 is the same as the position of the opening / closing opening 111, and the ratio of the diameter and the effective length of each section is formed differently depending on the material.

도 3은 스크루(130)의 구조를 상세하게 나타낸 도면이다. 재료에 따라 호퍼(120)를 가변시키고 필요한 길이의 스크루(130)를 선택하여 압출 성형장치에 장착한다.3 is a view showing in detail the structure of the screw 130. The hopper 120 is varied according to the material, and the screw 130 of the required length is selected and mounted on the extrusion molding apparatus.

상기 스크루(130)는 공급부, 압축부, 계량부를 형성한다. 상기 공급부는 호퍼(120)로부터 재료를 전달받아 이송되는 부분으로 나사산의 깊이가 깊고, 압축부는 공급부에서 전달받은 재료가 녹으면서 압축되는 구간으로 골 깊이가 점차 낮아진다. 계량부는 녹아서 혼련된 원료가 이송되는 구간으로 골 깊이가 가장 낮도록 형성된다.The screw 130 forms a supply unit, a compression unit, and a metering unit. The supply part is a part that receives material from the hopper 120 and is transported, and the depth of the thread is deep, and the compression part gradually decreases the bone depth in a section in which the material received from the supply part is melted and compressed. The metering section is a section in which melted and kneaded raw materials are transferred, and is formed to have the lowest bone depth.

도 4는 재료에 따른 유효길이를 다르게 형성한 실시예로 (a)는 가교폴리에틸렌용 스크루, (b)는 폴리머용 스크루를 (c)는 고무용 스크루를 도시한 도면이다. 4 is an embodiment in which different effective lengths are formed according to materials. (A) is a cross-linked polyethylene screw, (b) is a polymer screw, and (c) is a rubber screw.

도 5는 본 발명의 동작 제어 시스템을 도시한 블록도이다. 제어수단(180)은 이송수단(140)과 구동수단(170) 및 가열수단(160)을 제어할 수 있다.5 is a block diagram showing the motion control system of the present invention. The control means 180 may control the transfer means 140, the driving means 170 and the heating means 160.

상기 이송수단(140)은 재료에 따라 해당 개폐구(111)로 상기 호퍼(120)를 이송한다. 호퍼(120)를 이송하는 방법은 배럴(110) 상부에 고정된 레일봉 형태의 이송수단(140)에 롤러(121)를 장착한 호퍼(120)를 올리고 레일봉을 따라 횡방향으로 이동되도록 한다. The transfer means 140 transfers the hopper 120 to the corresponding opening and closing 111 according to the material. The method of transferring the hopper 120 is to raise the hopper 120 mounted with the roller 121 to the rail 140 in the form of a rail rod fixed to the upper portion of the barrel 110 and move in the lateral direction along the rail rod. .

상기 가열수단(160)은 배럴(110)의 외주면을 둘러싼 형태로 소정 구역으로 나뉘어져 있으며, 삽입된 스크루(130)의 유효길이만큼 필요한 구역만 선택적으로 가열되어 전력 낭비를 줄일 수 있다.The heating means 160 is divided into a predetermined area in a form surrounding the outer circumferential surface of the barrel 110, and only the required area as long as the effective length of the inserted screw 130 is selectively heated to reduce power waste.

도 6은 본 발명의 개폐수단을 도시한 평면도로, 상기 복수의 개폐구는 개폐수단에 의하여 개폐된다.Figure 6 is a plan view showing the opening and closing means of the present invention, the plurality of opening and closing opening and closing means.

상기 개폐수단(150)은 개폐구(111) 상부로 설치되어 제어수단(180)의 제어에 따라 이동된 호퍼(120)가 위치하지 않는 영역은 폐쇄한다. The opening / closing means 150 is installed above the opening / closing opening 111 and closes an area where the hopper 120 moved under the control of the control means 180 is not located.

100: 압출 성형장치 110: 배럴
111: 개폐구 120: 호퍼
121: 롤러 130: 스크루
140: 이송수단 150: 개폐수단
151: 이송판 160: 가열수단
170: 구동수단 180: 제어수단100: extrusion molding apparatus 110: barrel
111: opening 120: hopper
121: roller 130: screw
140: conveying means 150: opening and closing means
151: transfer plate 160: heating means
170: driving means 180: control means

Claims (5)

배럴(110) 상부에 복수의 개폐구(111)가 형성되어 재료에 따라 상기 복수의 개폐구 중 어느 하나의 위치로 이동 가능한 호퍼(120) 및
상기 호퍼로부터 재료를 전달받아 다이 쪽으로 가압 전진시키고, 재료에 따라 각 구간의 직경과 유효길이의 비율이 다르게 준비된 복수의 스크루(130)를 포함하여,
재료에 따라 호퍼를 가변시키고 그에 따른 길이의 스크루를 선택하여 압출 성형장치에 장착하는 것을 특징으로 하는 가변 압출 성형장치.A plurality of openings 111 are formed on the upper portion of the barrel 110 to move to any one of the plurality of openings depending on the material, the hopper 120 and
The material received from the hopper is pressed forward toward the die, and includes a plurality of screws 130 prepared in different proportions of the diameter and effective length of each section according to the material,
Variable extrusion molding apparatus characterized in that the hopper is varied according to the material and a screw having a length selected accordingly is mounted on the extrusion molding apparatus. 제1항에 있어서,
상기 호퍼는 이송수단(140)에 의하여 위치가 가변되는 것을 특징으로 하는 가변 압출 성형장치.According to claim 1,
The hopper is a variable extrusion molding apparatus, characterized in that the position is variable by the transfer means (140). 제1항에 있어서,
상기 복수의 개폐구는 개폐수단(150)에 의하여 개폐되는 것을 특징으로 하는 가변 압출 성형장치.According to claim 1,
The plurality of openings and closing the variable extrusion molding apparatus characterized in that it is opened and closed by the opening and closing means (150). 제2항에 있어서,
상기 이송수단은 레일봉 형태로 상기 호퍼의 하단부에 결합된 롤러(121)와 상기 롤러와 결합되어 횡방향으로 슬라이드되도록 형성된 것을 특징으로 하는 가변 압출 성형장치.According to claim 2,
The transfer means is a variable extruded molding apparatus characterized in that formed in a rail rod form coupled to the roller 121 coupled to the lower end of the hopper and slided in the transverse direction. 제1항에 있어서,
상기 배럴 외주면은 가열수단(160)이 소정 구역으로 나뉘어져 있어 재료에 따라 선택적으로 가열되는 것을 특징으로 하는 가변 압출 성형장치.


According to claim 1,
A variable extrusion molding apparatus characterized in that the outer circumferential surface of the barrel is selectively heated according to the material because the heating means 160 is divided into predetermined regions.


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JPH03211027A (en) * 1990-01-17 1991-09-13 Hitachi Chem Co Ltd Injection molding machine
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