KR927003304A - Molding method of synthetic resin and apparatus - Google Patents

Molding method of synthetic resin and apparatus Download PDF

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Publication number
KR927003304A
KR927003304A KR1019920701700A KR920701700A KR927003304A KR 927003304 A KR927003304 A KR 927003304A KR 1019920701700 A KR1019920701700 A KR 1019920701700A KR 920701700 A KR920701700 A KR 920701700A KR 927003304 A KR927003304 A KR 927003304A
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KR
South Korea
Prior art keywords
feedstock
feed rate
cycle
feedback control
pump
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KR1019920701700A
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Korean (ko)
Inventor
오우치에크 말렉제크
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핸더슨스 인더스트리스 피티와이. 리미티드
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Publication of KR927003304A publication Critical patent/KR927003304A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7615—Mixers with stream-impingement mixing head characterised by arrangements for controlling, measuring or regulating, e.g. for feeding or proportioning the components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7471—Mixers in which the mixing takes place at the inlet of a mould, e.g. mixing chambers situated in the mould opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7663—Mixers with stream-impingement mixing head the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube
    • B29B7/7684—Parts; Accessories
    • B29B7/7689—Plunger constructions
    • B29B7/7694—Plunger constructions comprising recirculation channels; ducts formed in the plunger
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0676—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on flow sources

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

내용 없음No content

Description

합성수지의 성형방법 및 그 장치Molding method of synthetic resin and apparatus

[도면의 간단한 설명][Brief Description of Drawings]

제1도는 공지의 플라스틱재 성형장치의 개략도.1 is a schematic view of a known plastic material molding apparatus.

제2도는 본 발명의 한 형태에 따른 플라스틱재 성형장치의 개략도.2 is a schematic view of a plastic material molding apparatus of one embodiment of the present invention.

제3도는 본 발명의 다른 형태에 따른 플라스틱재 성형장치의 개략도.3 is a schematic view of a plastic material molding apparatus according to another aspect of the present invention.

제4도는 다수의 형틀을 갖춘 플라스틱재 성형장치의 개략도.4 is a schematic view of a plastic material forming apparatus having a plurality of molds.

제5도는 기본적인 2가지 화학 성분 또는 공급재료 시스템의 개략도이다.5 is a schematic of two basic chemical components or feedstock systems.

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

Claims (17)

각각 별개의 원료 공급수단으로부터 제공되는 다수의 다른 공급원료는 결합되어 이송헤드를 통하여 주입영역에 있는 일련의 형틀 중의 어느 하나에 이송되기 전에 혼합원료를 형성하며, 이때 각각의 핌프수단은, 일정한 속도로, 성형싸이클중에 형틀에 사전 설정된 공급속도로 공급원료의 사전 설정된 양을 이송시키기 위해 제공되는 성형방법에 있어서, 사전 설정된 공급속도의 허용범위내에서 공급속도의 변화에 대응하여 원료물질의 공급속도를 제어하는 1차 귀환제어 수단을 제공하는 것을 특징으로 하는 방법.A number of different feedstocks, each provided from separate feedstock means, are combined to form a mixed feedstock before being transferred through the transfer head to any one of a series of molds in the injection zone, where each pimp means is of constant velocity. In a molding method provided to transfer a predetermined amount of feedstock at a preset feed rate to a mold during a molding cycle, the feed rate of the raw material in response to the change of the feed rate within the allowable range of the preset feed rate Providing a primary feedback control means for controlling the control. 제1항에 있어서, 상기 제1차 귀환 제어 수단은 공급원료의 공급속도를 모니터하는 수단과, 상기 공급속도를 사전 설정된 공급속도에 비교하는 수단과, 그리고 상기 사전 설정된 공급속도로부터의 편차에 반응하여 상기의 공급속도를 변화시키는 수단을 포함하는 방법.The method of claim 1, wherein the first feedback control means comprises: means for monitoring a feed rate of feedstock, means for comparing the feed rate to a preset feed rate, and a response to a deviation from the preset feed rate Means for varying said feed rate. 제1항 또는 제2항에 있어서, 상기 공급원료의 공급속도는 모터 구동 펌프에 연결된 주파수 제어기에 의하여 제어되어지고, 상기 주파수 제어기는 펌프의 작동 속도의 변화를 감지하여 교정하며, 상기의 속도는 펌프에 의해 이송된 공급원료의 양에 직접 관련되어 사전 설정된 양의 공급원료를 이송시키는 것을 특징으로 하는 방법.The feed rate of the feedstock is controlled by a frequency controller connected to a motor driven pump, the frequency controller senses and corrects a change in the operating speed of the pump, wherein the speed Conveying a predetermined amount of feedstock directly related to the amount of feedstock conveyed by the pump. 제1항 내지 제3항중 어느 한 항에 있어서, 상기 제2차 귀환 제어 수단은 일련의 형틀 중에서 어느 특정의 형틀을 감지하는 수단과, 상기 형틀을 공급원료의 공급속도를 선택하는 수단과, 그리고 상기 공급원료 펌프를 사전 설정된 공급속도에 고정시키는 수단을 포함하는 방법.4. The method according to any one of claims 1 to 3, wherein the secondary feedback control means comprises: means for detecting any particular mold out of a series of molds, means for selecting a feed rate of feedstock for the mold, and Means for securing said feedstock pump to a predetermined feed rate. 제1항에 있어서, 성형 싸이클은 저압 재순환 싸이클, 고압재순환 싸이클, 그리고 주입 싸이클(pour cycle)을 포함하는 방법.The method of claim 1 wherein the forming cycle comprises a low pressure recycle cycle, a high pressure recycle cycle, and a pour cycle. 제5항에 있어서, 상기 저압 재순환 싸이클 중에는 각 공급원료를 균일한 조성으로 유지하기 위하여 공급원료를 원료공급용기에 재순환시키는 방법.6. The method of claim 5, wherein during said low pressure recycle cycle, the feedstock is recycled to the feedstock container to maintain each feedstock in a uniform composition. 제5항에 있어서, 상기 고압 재순환 싸이클 중에는 상기 제2차 귀환 제어 수단이 주입 구역에 있는 어느 형틀용의 사전 설정된 공급원료의 양을 고정하는 것을 특징으로 하는 방법.6. A method according to claim 5, wherein during said high pressure recycle cycle said secondary feedback control means fixes the amount of pre-set feedstock for any template in the injection zone. 제1항 내지 제7항중 어느 한 항에 있어서, 상기 성형 방법은 열 경화성 폴리우레탄폼의 성형 공정인 것을 특징으로 하는 방법.The method according to any one of claims 1 to 7, wherein the molding method is a molding process of thermosetting polyurethane foam. 제8항에 있어서, 공급원료는 1 또는 2이상의 폴리올 성분과 1 또는 2이상의 이소시아네이트 성분이고, 이들은 이송헤드로 공급되는 각각 별개의 공급시스템을 가지고 있는 것을 특징으로 하는 방법.The method of claim 8, wherein the feedstock is one or more polyol components and one or more isocyanate components, each having a separate supply system fed to the transfer head. 각각 별개의 원료공급수단으로부터 제공되는 다수의 다른 공급원료는 결합되어 이송헤드를 통하여 주입구역에 있는 일련의 형틀중의 어느 하나에 이송되기 전에 혼합원료를 형성하며, 이때 각각의 핌프 수단은, 일정한 속도로, 성형싸이클 중에 형틀에 사전 설정된 공급속도로 공급원료의 사전 설정된 양을 이송시키기 위해 제공되는 성형 장치에 있어서, 사전 설정된 공급속도의 허용범위 내에서 공급속도의 변화에 대응하여 원료물질의 공급속도를 제어하는 1차 귀환제어 수단을 포함하는 것을 특징으로 하는 장치.A number of different feedstocks, each provided from separate feedstock means, are combined to form a mixed feedstock before being transferred through the transfer head to any one of a series of molds in the injection zone, where each pimp means A molding apparatus provided for conveying a predetermined amount of feedstock at a predetermined feed rate at a mold during a molding cycle at a speed, wherein the supply of raw materials in response to a change in the feed rate within an allowable range of the predetermined feed rate is provided. And a primary feedback control means for controlling the speed. 제10항에 있어서, 성형싸이클은 저압재순환싸이클, 고압재순환싸이클, 그리고 유출싸이클을 포함하는 장치.11. The apparatus of claim 10, wherein the molding cycle comprises a low pressure recycle cycle, a high pressure recycle cycle, and an outlet cycle. 제11항에 있어서, 상기 저압재순환싸이클 중에는 각 공급원료를 균일한 조성으로 유지하기 위하여 공급 원료를 원료공급용기에 재순환시키는 것을 특징으로 하는 장치.12. The apparatus of claim 11, wherein said low pressure recycle cycle recycles feedstock to a feedstock container to maintain each feedstock in a uniform composition. 제11항에 있어서, 상기 고압재순환싸이클 중에는 상기 제2차 귀환 제어 수단이 주입구역에 있는 어느 형틀용의 사전 설정된 공급원료의 양을 고정하는 것을 특징으로 하는 장치.12. An apparatus according to claim 11, wherein during said high pressure recycle cycle said secondary feedback control means fixes the amount of a predetermined feedstock for any template in the injection zone. 제10항에 있어서, 상기 제1차 귀환 제어 수단은 공급원료의 공급수단을 모니터하는 수단과, 상기 공급속도를 사전 설정된 공급속도에 비교하는 수단과, 그리고 상기 사전 설정된 공급속도로부터의 편차에 반응하여 상기의 공급속도를 변화시키는 수단을 포함하는 장치.11. The method of claim 10, wherein said first feedback control means comprises means for monitoring a supply means of a feedstock, means for comparing said feed rate to a preset feed rate, and responsive to a deviation from said preset feed rate. Means for varying said feed rate. 제13항 또는 제14항에 있어서, 상기 공급원료의 공급속도는 모터 구동 펌프에 연결된 주파수 제어기에 의하여 제어되어지고, 상기 주파수 제어기는 펌프 작동속도의 변화를 감지하여 교정하며, 상기의 속도는 펌프에 의해 이송된 공급원료의 양에 직접 관련되어 사전 설정된 양의 공급원료를 이송시키는 것을 특징으로 하는 장치.15. The method of claim 13 or 14, wherein the feed rate of the feedstock is controlled by a frequency controller coupled to a motor driven pump, the frequency controller sensing and correcting a change in pump operating speed, wherein the speed is the pump. And transfer a predetermined amount of feedstock directly related to the amount of feedstock conveyed by the. 제13항 내지 제15항 중 어느 한 항에 있어서, 상기 제2차 귀환제어수단은 일련의 형틀 중에서 어느 특정의 형틀을 감지하는 수단과, 상기 형틀용 공급원료의 공급속도를 선택하는 수단과, 그리고 상기 공급원료펌프를 사전 설정된 공급속도에 고정시키는 수단을 포함하는 장치.16. The method according to any one of claims 13 to 15, wherein the secondary feedback control means comprises: means for detecting any particular mold out of a series of molds, means for selecting a feed rate of the feedstock for the mold, And means for securing said feedstock pump at a predetermined feed rate. 제10항에 있어서, 공급원료는 1 또는 2이상의 폴리올 성분과 1 또는 2이상의 이소시아네이트 성분이고, 이들은 이송헤드로 공급되는 각각 별개의 공급시스템을 가지고 있는 것을 특징으로 하는 장치.11. An apparatus according to claim 10, wherein the feedstock is at least one polyol component and at least one isocyanate component, each having a separate supply system fed to the transfer head. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920701700A 1990-01-18 1991-01-17 Molding method of synthetic resin and apparatus KR927003304A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPJ8228 1990-01-18
AUPJ822890 1990-01-18
PCT/AU1991/000018 WO1991010551A1 (en) 1990-01-18 1991-01-17 Improved moulding processes and apparatus

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KR927003304A true KR927003304A (en) 1992-12-17

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JP5463172B2 (en) * 2010-03-11 2014-04-09 株式会社ブリヂストン Production apparatus and production method for foam molded article
IT1399743B1 (en) * 2010-03-15 2013-05-03 Afros Spa METHOD AND EQUIPMENT FOR THE DISTRIBUTION OF A POLYURETHANE MIXTURE IN CABLES.
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US9758613B2 (en) * 2012-04-30 2017-09-12 Covestro Deutschland Ag Method for producing foamed molded bodies
AU2013350322A1 (en) * 2012-11-23 2015-07-02 Cougar Composites Ip Pty Ltd Method and apparatus for manufacture of composite articles
IT201900010524A1 (en) * 2019-07-01 2021-01-01 Afros Spa Monitored mixing and dosing head

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US4523430A (en) * 1981-03-19 1985-06-18 Daikin Kogyo Co., Ltd. Fluid flow control system
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JPH05505982A (en) 1993-09-02
CA2074170A1 (en) 1991-07-19
WO1991010551A1 (en) 1991-07-25
EP0593451A1 (en) 1994-04-27
EP0593451A4 (en) 1993-10-12

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