KR940003705A - Manufacturing apparatus and method of plastic pipe for explosion expansion - Google Patents

Manufacturing apparatus and method of plastic pipe for explosion expansion Download PDF

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Publication number
KR940003705A
KR940003705A KR1019920013904A KR920013904A KR940003705A KR 940003705 A KR940003705 A KR 940003705A KR 1019920013904 A KR1019920013904 A KR 1019920013904A KR 920013904 A KR920013904 A KR 920013904A KR 940003705 A KR940003705 A KR 940003705A
Authority
KR
South Korea
Prior art keywords
plastic pipe
plastic
core nozzle
explosion
die
Prior art date
Application number
KR1019920013904A
Other languages
Korean (ko)
Inventor
이석훈
이종문
Original Assignee
오재덕
한국화약 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 오재덕, 한국화약 주식회사 filed Critical 오재덕
Priority to KR1019920013904A priority Critical patent/KR940003705A/en
Publication of KR940003705A publication Critical patent/KR940003705A/en

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Classifications

    • 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
    • B29C48/30—Extrusion nozzles or dies
    • 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
    • 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
    • B29C48/92—Measuring, controlling or regulating

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

Abstract

본 발명은 폭발확관용 플라스틱관의 제조장치 및 방법에 관한 것으로, 화약을 이용하여 금속관을 확관시킬때 완충재로 사용되는 플라스틱관을 제조하기 위하여 플라스틱관이 성형되는 압출다이 및 금형다이의 중심부에 코어 노즐을 설치하고, 상기 코어노즐을 좌우로 이동되도록 구동수단에 연결함으로서 구동수단에 의해 코어노즐이 전,후진함에 따라 압출기로부터 공급되는 플라스틱 수지를 관형부분과 봉형부분을 교대로 압출성형시키는 단계와. 압출성형된 플라스틱관의 관형부분의 봉형부분의 각 중앙을 절단하는 단계로 이루어져 플라스틱관의 내측에 중공부가 반복적으로 형성되도록 한 것에 관한 것이다.The present invention relates to an apparatus and method for manufacturing an explosion-expandable plastic tube, wherein a core is formed in the center of an extrusion die and a die in which a plastic tube is molded in order to manufacture a plastic tube used as a cushioning material when expanding a metal tube using gunpowder. Extrude-molding the tubular portion and the rod-shaped portion of the plastic resin supplied from the extruder by moving the core nozzle forward and backward by the driving means by installing a nozzle and connecting the core nozzle to the driving means to move left and right; . It relates to the step of cutting each center of the rod-shaped portion of the tubular portion of the extruded plastic tube so that the hollow portion is formed repeatedly inside the plastic tube.

Description

폭발확관용 플라스틱관의 제조장치 및 방법Manufacturing apparatus and method of plastic pipe for explosion expansion

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

제1도는 본 발명에 의한 플라스틱관의 제조장치를 나타낸 개략도,1 is a schematic view showing an apparatus for producing a plastic pipe according to the present invention,

제2도는 본 발명에 의한 플라스틱관의 제조 방법을 나타낸 작용상태도로서, (가)는 코어노즐이 전진되어 관형부분이 형성되는 상태를 나타낸 것이고, (나)는 코어노즐이 후진되어 봉형부분이 형성되는 상태를 나타낸 것이다,2 is an operational state diagram showing a method of manufacturing a plastic pipe according to the present invention, (A) shows a state in which the core nozzle is advanced to form a tubular portion, (B) is a core nozzle is reversed to form a rod-shaped portion Shows the status of

제3도의 (가), (나), (다), (라)는 본 발명에 의해 제조된 플라스틱관의 실시예.(A), (b), (c), and (d) of FIG. 3 are examples of the plastic pipe manufactured according to the present invention.

Claims (7)

플라스틱 수지 원료를 용융하여 압출시키는 압출기(7)의 끝단에 압출다이 (1)를 설치하고, 상기 압출다이(1)의 일측에는 제품을 성형하는 금형다이 (2)를 설치하여 폭발확관용 플라스틱관을 제조하는 압출장치에 있어서, 상기 압출다이 (1) 및 금형다이 (2)의 내부에 중심에 코어노즐(3)을 설치하되, 상기 코어노즐(3)의 중심에는 공기 유입공(4)을 천공하여 그 일단을 구동수단에 연결하여 코어노즐(3)이 왕복이동되도록 설치한 것을 특징으로 하는 폭발확관용 플라스틱관의 제조장치.An extrusion die (1) is installed at the end of the extruder (7) for melting and extruding the plastic resin raw material, and on one side of the extrusion die (1), a mold die (2) for molding a product is installed to expand the plastic pipe for explosion expansion. In the extrusion apparatus for manufacturing a, the core nozzle (3) is installed in the center of the extrusion die (1) and the mold die (2), the air inlet hole (4) in the center of the core nozzle (3) Drilling device for manufacturing an explosion-expansion plastic pipe, characterized in that the core nozzle (3) is installed so as to reciprocate by connecting one end to the drive means by drilling. 제1항에 있어서, 상기 금형다이(2)의 끝단부(2')직경을 내측의 직경보다 작게 형성하고. 상기 코어노즐(3)의 끝단부(3')외경을 다른부위의 외경보다 작게 형성하여 중공부의 형성유무에 관계없이 압출되는 수지의 양이 일정하게 하여 플라스틱관의 외경이 변화되지 않도록한 것을 특징으로 하는 폭발확관용 플라스틱관의 제조장치.The diameter of the end (2 ') of the said die (2) is formed smaller than the inside diameter. The outer diameter of the end portion 3 'of the core nozzle 3 is made smaller than the outer diameter of the other portion, so that the amount of resin extruded is constant so that the outer diameter of the plastic pipe does not change regardless of the formation of the hollow portion. Apparatus for the manufacture of plastic pipes for explosion expansion. 제1항에 있어서, 상기 구동수단이 유압실린더인 것을 특징으로 하는 폭발확관용 플라스틱관의 제조장치.The apparatus of claim 1, wherein the driving means is a hydraulic cylinder. 플라스틱 수지를 원료로 하여 폭발확관용 플라스틱관을 제조하는 방법에 있어서, 구동수단에 의해 코어노즐 이 전,후진함에 따라 압출기로부터 공급되는 플라스틱 수지를 관형부분과 봉형부분을 교대로 압출성형시키는 단계와. 압출성형된 플라스틱관의 관형부분과 봉형부분의 각 중앙을 절단하는 단계로 이루어진 것을 특징으로 하는 폭발화관용 플라스틱관의 제조방법.In the method of manufacturing a plastic pipe for explosive expansion using the plastic resin as a raw material, the step of extruding the tubular portion and the rod-shaped portion of the plastic resin supplied from the extruder as the core nozzle is moved forward and backward by the drive means; . Method for producing a plastic pipe for explosion tubes characterized in that the step of cutting each center of the tubular portion and the rod-shaped portion of the extruded plastic tube. 제4항에 있어서, 상기 플라스틱관의 외경이 다이금형에 의해 일정하게 유지되는 것을 특징으로 하는 폭발확관용 플라스틱관의 제조방법.The method of manufacturing a plastic pipe for explosion expansion according to claim 4, wherein the outer diameter of the plastic pipe is kept constant by a die mold. 제4항에 있어서, 상기 플라스틱관의 중공부 내경이 코어노즐이 전.후진함에 따라 변화되는 것을 특징으로 하는 폭발확관용 플라스틱관의 제조방법.The method of claim 4, wherein the inner diameter of the hollow part of the plastic pipe is changed as the core nozzle moves forward and backward. 제6항에 있어서, 상기 코어노즐의 후진위치를 조절하여 성형되는 플라스틱관의 외경은 일정하고, 중공부의 직경인 변화되도록 한 것을 특징으로 하는 폭발확관용 플라스틱관의 제조방법.The method of manufacturing a plastic pipe for explosion expansion according to claim 6, wherein the outer diameter of the plastic pipe formed by adjusting the reverse position of the core nozzle is constant and is changed to a diameter of the hollow part. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920013904A 1992-08-01 1992-08-01 Manufacturing apparatus and method of plastic pipe for explosion expansion KR940003705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920013904A KR940003705A (en) 1992-08-01 1992-08-01 Manufacturing apparatus and method of plastic pipe for explosion expansion

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Application Number Priority Date Filing Date Title
KR1019920013904A KR940003705A (en) 1992-08-01 1992-08-01 Manufacturing apparatus and method of plastic pipe for explosion expansion

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KR940003705A true KR940003705A (en) 1994-03-12

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KR1019920013904A KR940003705A (en) 1992-08-01 1992-08-01 Manufacturing apparatus and method of plastic pipe for explosion expansion

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384799B1 (en) * 2000-10-30 2003-05-22 주식회사 무 등 Apparatus for extruding tube of thermoplastic resin
KR101663939B1 (en) * 2016-07-27 2016-10-07 강구원 Extrusion moulding apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384799B1 (en) * 2000-10-30 2003-05-22 주식회사 무 등 Apparatus for extruding tube of thermoplastic resin
KR101663939B1 (en) * 2016-07-27 2016-10-07 강구원 Extrusion moulding apparatus

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