JP2007021899A - Extrusion molding apparatus for waste resin mixed with various plastics - Google Patents

Extrusion molding apparatus for waste resin mixed with various plastics Download PDF

Info

Publication number
JP2007021899A
JP2007021899A JP2005207497A JP2005207497A JP2007021899A JP 2007021899 A JP2007021899 A JP 2007021899A JP 2005207497 A JP2005207497 A JP 2005207497A JP 2005207497 A JP2005207497 A JP 2005207497A JP 2007021899 A JP2007021899 A JP 2007021899A
Authority
JP
Japan
Prior art keywords
extruder
mixed resin
mixed
screw shafts
resin waste
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2005207497A
Other languages
Japanese (ja)
Other versions
JP4478622B2 (en
Inventor
Takechiyo Kobayashi
武千代 小林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KOOHAN KK
Original Assignee
KOOHAN KK
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 KOOHAN KK filed Critical KOOHAN KK
Priority to JP2005207497A priority Critical patent/JP4478622B2/en
Priority to KR1020060012327A priority patent/KR20070009372A/en
Priority to CNA2006100041543A priority patent/CN1895873A/en
Publication of JP2007021899A publication Critical patent/JP2007021899A/en
Application granted granted Critical
Publication of JP4478622B2 publication Critical patent/JP4478622B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • 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
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
    • B29B7/483—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs the other mixing parts being discs perpendicular to the screw axis
    • 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
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • 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
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • 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
    • B29B7/7461—Combinations of dissimilar mixers
    • 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
    • B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
    • B29B7/7485—Systems, i.e. flow charts or diagrams; Plants with consecutive mixers, e.g. with premixing some of 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
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/41—Intermeshing counter-rotating screws
    • 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
    • B29C48/505—Screws
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone

Abstract

<P>PROBLEM TO BE SOLVED: To promote the recycling of waste plastics discharged in large amounts from general households or as industrial wastes by reusing the multitudinously mixed resin, which is mingled with a variety of waste plastics, and molding into useful plastic products by extrusion molding. <P>SOLUTION: The extrusion molding apparatus for the multitudinously mixed waste resin fabricates the desired molded products 40 by sending the waste resin, in which a variety of waste plastics intermingle, from the first extruder 1 to the second extruder 2 and extruding from the die 5 equipped downstream of the second extruder. The first extruder heats the multitudinously mixed waste resin to 170-190°C and at the same time, with the two screw shafts 11a, 11b horizontally equipped in the cylinder 10, crumples and crushes the waste resin to completely melt it and send to the second extruder. The second extruder sends forth the molten resin with one or two screw shafts 31a, 31b equipped in the cylinder 30 to make the temperature gradually drop and extrudes the molten resin from the die at 128-160°C. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、多種のプラスチック廃材が混在している多種混在樹脂を再利用し、押出成形により有用なプラスチック製品を成形する多種混在樹脂廃材の押出成形装置に関するものである。   The present invention relates to an apparatus for extruding various kinds of mixed resin waste material that recycles a mixed resin in which various kinds of plastic waste materials are mixed and forms a useful plastic product by extrusion molding.

一般家庭、或いは産業廃棄物として排出される合成樹脂を主体とする大量の廃材は、ポリ塩化ビニール，ポリエチレン，ポリプロピレン，ナイロン，ポリスチレン，ポリエチレンフタレート，ポリエステル，ウレタン，エポキシ，フェノール等の熱可塑性または熱硬化性の種々の合成樹脂、或いはこれらの共重合樹脂、および、有機低分子物および無機物が混在している。ところで従来このような多種混在樹脂廃材は、各材料毎に溶融温度がまちまちであるので射出成形機に供給してプラスチック製品を再成形するのは困難であった。従って材料毎に分別しないとリサイクルはできないものであった。しかし分別のためには多大なコストと高度な分離技術が要求されるうえに完全な分離は困難であったため、従来では処分場へ投棄される割合が大きく、このために環境破壊の重大な要因となるものであった。   A large amount of waste materials mainly composed of synthetic resin discharged as general household or industrial waste are thermoplastic or heat such as polyvinyl chloride, polyethylene, polypropylene, nylon, polystyrene, polyethylene phthalate, polyester, urethane, epoxy, phenol, etc. Various curable synthetic resins or copolymer resins thereof, and low molecular weight organic substances and inorganic substances are mixed. Conventionally, such a variety of mixed resin waste materials have different melting temperatures for each material, and therefore it has been difficult to supply them to an injection molding machine and remold plastic products. Therefore, it cannot be recycled unless it is sorted by material. However, a large amount of cost and advanced separation technology are required for separation and complete separation is difficult. It was to become.

一方、下記特許文献１〜３は、合成樹脂に木粉を混入することで木の特質を有する木質粉砕物混入樹脂成形品の製造方法を開示するものであり、下記特許文献４は、夫々スクリュー軸を備えた２つの押出機を直列に接続し、第１押出機により樹脂ペレットを半溶融状態にまで加熱し、第２押出機にてその樹脂を完全に溶融混練するベント式２段押出装置を開示したものである。
特開平１１−２９１３１９号公報 特開２００２−７９５６７号公報 特開２００２−２１０８０２号公報 特公平７−４７２９３号公報 On the other hand, Patent Documents 1 to 3 below disclose a method for producing a resin molded article mixed with a wood pulverized product having the characteristics of wood by mixing wood powder into a synthetic resin. A vent type two-stage extrusion apparatus in which two extruders equipped with a shaft are connected in series, the resin pellets are heated to a semi-molten state by the first extruder, and the resin is completely melted and kneaded by the second extruder. Is disclosed.
Japanese Patent Laid-Open No. 11-291319 JP 2002-79567 A Japanese Patent Laid-Open No. 2002-210802 Japanese Patent Publication No. 7-47293

ところで、上記のような多種混在樹脂廃材を原料として上記従来の押出装置により成形しようとすると、特に３種類以上の合成樹脂が混在する多種混在樹脂廃材では、ダイスから所謂「あんこ」が押し出されて来るような状態となり、所要形状に成形できず、仮にできたとしても表面肌が凹凸状で製品価値のないものとならざるを得ない状況であった。
そこで本発明は、従来の押出成形装置では多種混在樹脂廃材を押出成形することが困難である原因として、原料の粉砕混錬が十分でないこと、および、温度設定，温度管理が適切でないことにあることに着眼し、これらを改善することにより、３種類以上の合成樹脂が混在する多種混在樹脂廃材でも押出成形を可能にし、物性の優れた価値あるプラスチック製品を成形できるようにするものである。 By the way, when trying to mold the above-mentioned various kinds of mixed resin waste as a raw material by the above-mentioned conventional extrusion apparatus, especially in the mixed resin waste including three or more kinds of synthetic resins, so-called “anko” is extruded from the die. As a result, it could not be molded into the required shape, and even if it was made, the surface skin was uneven and had no product value.
Therefore, the present invention is because the conventional extrusion molding apparatus has difficulty in extruding various types of mixed resin wastes because the raw materials are not sufficiently pulverized and kneaded, and the temperature setting and temperature management are not appropriate. By paying particular attention and improving these, it is possible to perform extrusion molding even with various kinds of mixed resin wastes in which three or more kinds of synthetic resins are mixed, and to mold a valuable plastic product having excellent physical properties.

そのために請求項１に記載した発明は、多種のプラスチック廃材が混在している多種混在樹脂廃材を第１押出機から第２押出機に送り込み、該第２押出機の下流に設けられたダイスより押し出すことにより所期の成形品を製造する多種混在樹脂廃材の押出成形装置であって、第１押出機は多種混在樹脂廃材を１７０〜１９０℃に加熱すると同時にシリンダ内に平行に設けられた２本のスクリュー軸によって該多種混在樹脂廃材を揉み砕くことにより該多種混在樹脂廃材を完全溶融して第２押出機に送り込み、第２押出機はシリンダ内に設けられた１本または２本のスクリュー軸によって該溶融樹脂を押送すると共に次第に温度下降させ、１２８〜１６０℃にて該溶融樹脂をダイスから押し出すようにしたことを特徴とする。
また、請求項２に記載の発明は上記押出成形装置において、第１押出機の２本のスクリュー軸は、ネジ山のピッチを下流に行くに従い次第に小さくなるように形成すると共に、両スクリュー軸の長手方向略中間部に外周面が偏心円周面状に形成された複数の圧潰体を両側に交互に段状に突出する形状に形成し、両スクリュー軸の該圧潰体間に挟着されることで多種混在樹脂廃材が揉み砕かれるようにしたことを特徴とする。
また、請求項３に記載の発明は上記押出成形装置において、冷却媒体を流通させることにより冷却される冷却フィンを備えた冷却器を第２押出機とダイスとの間の材料押出通路の中心部に設け、溶融樹脂を該冷却フィンに接触させるようにしたことを特徴とする。 Therefore, in the invention described in claim 1, the mixed resin waste material in which various plastic waste materials are mixed is fed from the first extruder to the second extruder, and from a die provided downstream of the second extruder. An extrusion molding apparatus for a mixed resin waste material for producing a desired molded product by extruding, wherein the first extruder heats the mixed resin waste material to 170 to 190 ° C. and at the same time is provided in parallel in the cylinder 2 The mixed resin waste material is crushed and crushed by a screw shaft, and the mixed resin waste material is completely melted and fed to the second extruder. The second extruder has one or two screws provided in the cylinder. The molten resin is pushed by a shaft and gradually lowered in temperature, and the molten resin is pushed out from a die at 128 to 160 ° C.
According to a second aspect of the present invention, in the extrusion apparatus, the two screw shafts of the first extruder are formed such that the pitch of the thread gradually decreases as going downstream, and both screw shafts A plurality of crushed bodies having an outer circumferential surface formed in an eccentric circumferential surface in a substantially middle portion in the longitudinal direction are formed in a shape projecting alternately in steps on both sides, and are sandwiched between the crushed bodies of both screw shafts. This is characterized in that various kinds of mixed resin waste materials are crushed and crushed.
According to a third aspect of the present invention, in the above extrusion molding apparatus, a cooler having cooling fins cooled by circulating a cooling medium is provided at the center of the material extrusion passage between the second extruder and the die. The molten resin is brought into contact with the cooling fin.

多種のプラスチック廃材が混在している多種混在樹脂廃材をそのまま原料とし、新たなプラスチック製品を成形することができるので、一般家庭、或いは産業廃棄物として多量に排出されるプラスチック廃材のリサイクルを促進することができる   Because it is possible to mold new plastic products by using various types of plastic waste, which is a mixture of various types of plastic waste, as a raw material, it promotes recycling of plastic waste that is discharged in large quantities as general household or industrial waste. be able to

図１は本発明に係る押出成形装置の概略を示す平面図で、１は第１押出機、２は第２押出機、３は該第１押出機の下流と第２押出機の上流とを接続している連通路、４は第２押出機の下流に設けられた冷却域、５はさらにその下流に設けられたダイスである。   FIG. 1 is a plan view schematically showing an extrusion molding apparatus according to the present invention, wherein 1 is a first extruder, 2 is a second extruder, and 3 is a downstream of the first extruder and an upstream of the second extruder. The connected communication path, 4 is a cooling zone provided downstream of the second extruder, and 5 is a die further provided downstream thereof.

第１押出機１は、図２に水平断面平面図、図３にその拡大図、図４にＡ−Ａ線断面図、図５にＢ−Ｂ線断面図を示したように、水平に支持された円柱状のシリンダ１０内に２本のスクリュー軸１１ａ，１１ｂが接近状態で平行に設けられ、該各スクリュー軸の一端をギヤボックス１２を介してモータ１３に連繋し、該モータを駆動することにより該各スクリュー軸が回転駆動されように構成している。該各スクリュー軸１１ａ，１１ｂは、外周に台形状のネジ山が２条に形成され、その一方のスクリュー軸１１ａは右ネジ、他方のスクリュー軸１１ｂは左ネジで、そのネジ山どうしが互いに噛み合い状態となる寸前まで接近するように両スクリュー軸１１ａ，１１ｂを平行に支持している。   The first extruder 1 is horizontally supported as shown in FIG. 2 as a horizontal sectional plan view, as shown in FIG. 3 as an enlarged view thereof, as shown in FIG. 4 as AA line sectional view, and as shown in FIG. Two screw shafts 11a and 11b are provided in close proximity in a cylindrical cylinder 10 formed in parallel, and one end of each screw shaft is connected to a motor 13 via a gear box 12 to drive the motor. Thus, each screw shaft is configured to be rotationally driven. Each of the screw shafts 11a and 11b is formed with two trapezoidal threads on the outer periphery, one screw shaft 11a is a right screw, and the other screw shaft 11b is a left screw. Both screw shafts 11a and 11b are supported in parallel so as to approach close to the state.

また、該各スクリュー軸１１ａ，１１ｂの長手方向略中間部に圧潰部１４ａ，１４ｂを設けると共に、その上流および下流にそれぞれ形成されたネジ山はそのピッチがいずれも下流に行くに従い次第に小さくなるように形成されている。該圧潰部１４ａ，１４ｂは、図３，図５に拡大して示したように、外周面が偏心円周面状に形成された３つの圧潰体１５，１６，１７を該各スクリュー軸の両側に交互に段状に突出するように形成したものである。   Further, the crushing portions 14a and 14b are provided at the substantially intermediate portions in the longitudinal direction of the screw shafts 11a and 11b, and the threads formed respectively upstream and downstream of the screw shafts 11a and 11b gradually decrease as the pitch goes downstream. Is formed. As shown in FIGS. 3 and 5 in an enlarged manner, the crushing portions 14a and 14b include three crushing bodies 15, 16, and 17 having outer circumferential surfaces formed in an eccentric circumferential surface, on both sides of each screw shaft. Are formed so as to protrude alternately in a step shape.

１８はシリンダ１０の外周に設けられたバンドヒータ、１９は水等の冷却媒体を通すために該シリンダ１０の壁に形成された温度調節用の冷媒通路である。また、２０はシリンダ１０の基部上面に設けられた原料投入用のホッパー、２１はシリンダ１０の長手方向略中間部上面に形成されたガス抜き孔である。   Reference numeral 18 denotes a band heater provided on the outer periphery of the cylinder 10, and reference numeral 19 denotes a temperature adjusting refrigerant passage formed in the wall of the cylinder 10 for passing a cooling medium such as water. Reference numeral 20 denotes a raw material charging hopper provided on the upper surface of the base portion of the cylinder 10, and 21 denotes a gas vent hole formed on the upper surface of a substantially intermediate portion in the longitudinal direction of the cylinder 10.

第２押出機２は、水平に支持されたシリンダ３０内に２本のスクリュー軸３１ａ，３１ｂが接近状態で平行に設けられ、各スクリュー軸の一端をギヤボックス３２を介してモータ３３に連繋し、該モータを駆動することにより該各スクリュー軸が回転駆動されるように構成している。該各スクリュー軸３１ａ，３１ｂは、図６にも示されるように、前記スクリュー軸１１ａ，１１ｂと同様に外周に台形状のネジ山が形成されたものであるが、前記スクリュー軸１１ａ，１１ｂのような圧潰部は形成されていない。３４はシリンダ３０の基端部寄り上面に形成されたガス抜き孔、３５は水等の冷却媒体を通すために該シリンダ３０の壁に形成された冷媒通路である。該第２押出機２の下流でダイス５との間に設けられた冷却域４には、図７に示したように、冷却水を流通させることにより冷却される冷却フィン３６を備えた冷却器３７がその材料押出通路の中心部に位置するように設けられる。なお、３８は冷却器３７を材料押出通路の中心部に固定するための支持杆である。また、３９はダイス５の外部に設けられた抽出テーブルである。   In the second extruder 2, two screw shafts 31a and 31b are provided in parallel in a horizontally supported cylinder 30, and one end of each screw shaft is connected to a motor 33 via a gear box 32. The screw shafts are rotationally driven by driving the motor. As shown in FIG. 6, each screw shaft 31a, 31b has a trapezoidal thread formed on the outer periphery in the same manner as the screw shafts 11a, 11b, but the screw shafts 11a, 11b Such a crushing part is not formed. Reference numeral 34 denotes a gas vent hole formed on the upper surface near the base end portion of the cylinder 30, and reference numeral 35 denotes a refrigerant passage formed in the wall of the cylinder 30 for passing a cooling medium such as water. As shown in FIG. 7, a cooler provided with cooling fins 36 cooled by circulating cooling water in the cooling zone 4 provided between the die 5 and the downstream side of the second extruder 2 37 is provided so as to be located at the center of the material extrusion passage. Reference numeral 38 denotes a support rod for fixing the cooler 37 to the central portion of the material extrusion passage. Reference numeral 39 denotes an extraction table provided outside the die 5.

このように構成した押出成形装置では、一般家庭から排出された器状、板状、シート状、棒状等の大小種々の形状であって種々の合成樹脂材料が混在している合成樹脂廃材を粉砕し、これを分別することなく公知の造粒機（図示せず）に通すことにより、直径数ミリ〜数センチのペレット状に加工し、このペレット状の多種混在樹脂廃材をホッパー２０に投入する。そして、スクリュー軸１１ａ，１１ｂを図４に矢印で示したように互いに反対方向に回転させると共に、バンドヒータ１８を通電しシリンダ１０内を加熱することによりこのペレット状の多種混在樹脂廃材を１７０〜１９０℃に加熱する。このとき、両スクリュー軸１１ａ，１１ｂのネジ山が互いに噛み合い状態寸前まで接近しており、しかもネジ山はピッチが下流に行くに従い次第に小さくなるように形成されていることから、該多種混在樹脂廃材が両スクリュー軸のネジ山間に挟まれて下流に押送されるに従い該多種混在樹脂廃材に次第に強い摩擦力が作用し揉み砕かれる。このため揉み砕かれる際に発生する摩擦熱も加わって該多種混在樹脂廃材が溶融し混練（ミキシング）する。なお、冷媒通路１９に水等の冷却媒体を通すことによりこのときの該多種混在樹脂廃材の加熱温度が調整される。   The extrusion molding apparatus configured in this way grinds synthetic resin waste materials of various sizes, such as container shapes, plate shapes, sheet shapes, rod shapes, etc., which are discharged from ordinary households and mixed with various synthetic resin materials. Then, it is processed into a pellet having a diameter of several millimeters to several centimeters by passing it through a known granulator (not shown) without sorting, and this pellet-like mixed resin waste material is put into the hopper 20. . Then, the screw shafts 11a and 11b are rotated in opposite directions as indicated by arrows in FIG. 4, and the band heater 18 is energized to heat the inside of the cylinder 10 so that the pellet-shaped mixed resin waste material 170- Heat to 190 ° C. At this time, the screw threads of both screw shafts 11a and 11b are close to each other and just before meshing with each other, and the threads are formed so that the pitch gradually decreases as the pitch goes downstream. Is sandwiched between the screw threads of both screw shafts and pushed downstream, a strong frictional force gradually acts on the mixed resin waste material and is crushed. For this reason, frictional heat generated when smashed is added, and the mixed resin waste material is melted and kneaded (mixed). The heating temperature of the mixed resin waste material at this time is adjusted by passing a cooling medium such as water through the refrigerant passage 19.

また、該多種混在樹脂廃材が両スクリュー軸１１ａ，１１ｂの長手方向略中間部に設けらえた圧潰部１４ａ，１４ｂに押送されて来たとき、圧潰体１５，１６，１７により該多種混在樹脂廃材に圧潰力と剪断力が交互に加えられ該多種混在樹脂廃材はさらに細かく確実に揉み砕かれる。その後、該多種混在樹脂廃材はさらに両スクリュー軸１１ａ，１１ｂのピッチが次第に小さくなる両ネジ山間にて混練（ミキシング）され、該多種混在樹脂廃材にくまなく熱が浸透することで完全なゲル状態となる。こうして多種混在樹脂廃材を構成する種々の合成樹脂は完全な溶融状態となって混練する。そのとき該溶融樹脂の温度は該多種混在樹脂廃材を構成する種々の合成樹脂の溶融温度より少し高めの１７０〜１９０℃となるようにする。こうしてホッパー２０に投入された多種混在樹脂廃材は第１押出機１を通過することで完全なゲル状態となって連通路３を通り第２押出機２に押送される。   Further, when the mixed resin waste material is fed to the crushing portions 14a and 14b provided at the substantially intermediate portions in the longitudinal direction of the screw shafts 11a and 11b, the mixed resin waste material is crushed by the collapsed bodies 15, 16, and 17. The crushing force and shearing force are alternately applied to the mixed resin waste material so that it is further finely and reliably crushed. Thereafter, the mixed resin waste material is further kneaded (mixed) between both screw threads where the pitches of the screw shafts 11a and 11b are gradually reduced, and heat completely penetrates the mixed resin waste material to form a complete gel state. It becomes. Thus, the various synthetic resins constituting the mixed resin waste material are kneaded in a completely molten state. At that time, the temperature of the molten resin is set to 170 to 190 ° C., which is slightly higher than the melting temperature of various synthetic resins constituting the mixed resin waste material. Thus, the mixed resin waste material introduced into the hopper 20 passes through the first extruder 1 to become a complete gel state and is pushed to the second extruder 2 through the communication path 3.

一方、第２押出機２は第１押出機１から押送されてきた溶融樹脂をスクリュー軸３１ａ，３１ｂを回転させることによりさらに混練しながら押送し、冷媒通路３５に冷却水を通すことにより該溶融樹脂を徐々に冷却する。そして冷却域４にて該溶融樹脂を冷却器３７の冷却フィン３６に接触させ、該溶融樹脂を１２８〜１６０℃に冷却し、該溶融樹脂がこの温度にてダイス５から押し出されるようにする。これにより板状，棒状等の所要断面形状の押出成形品４０がテーブル３９上に抽出される。   On the other hand, the second extruder 2 pushes the molten resin pushed from the first extruder 1 while further kneading by rotating the screw shafts 31a and 31b, and passes the cooling water through the refrigerant passage 35 to melt the molten resin. Cool the resin gradually. Then, in the cooling zone 4, the molten resin is brought into contact with the cooling fins 36 of the cooler 37, the molten resin is cooled to 128 to 160 ° C., and the molten resin is extruded from the die 5 at this temperature. As a result, the extruded product 40 having a required cross-sectional shape such as a plate shape or a bar shape is extracted on the table 39.

このように本発明の押出成形装置は、第１押出機にて多種混在樹脂廃材を１７０〜１９０℃に加熱すると同時にこれを下流に行くに従い次第にピッチを次第に小さくしたネジ山を有する２本のスクリュー軸により混練すると共に、該多種混在樹脂廃材を圧潰体間に挟着させることにより揉み砕き、完全なゲル状態に溶融させる。次いで第２押出機にてはこの溶融樹脂を１２８〜１６０℃に温度下降させてダイスから押し出すことで、多種混在樹脂廃材を構成する種々の合成樹脂を混然一体のものにしてプラスチック製品に成形することができる。ここで第１押出機を経過したときの加熱温度よりもダイスから押し出すときの溶融樹脂の温度を低くなるようにしたことにより、物性を損なうことなく、成形品の形状が安定し、表面肌の滑らかな成形品を成形することができる。   As described above, the extrusion molding apparatus of the present invention heats the various mixed resin waste materials to 170 to 190 ° C. in the first extruder and simultaneously has two screws having a thread that gradually decreases in pitch as it goes downstream. While kneading with a shaft, the mixed resin waste material is crushed by being sandwiched between the crushed bodies and melted into a complete gel state. Next, in the second extruder, the temperature of the molten resin is lowered to 128 to 160 ° C. and extruded from the die, so that various synthetic resins constituting the mixed resin waste are mixed together and molded into a plastic product. can do. Here, the temperature of the molten resin when extruding from the die is lower than the heating temperature when passing through the first extruder, so that the shape of the molded product is stabilized without impairing the physical properties, and the surface skin A smooth molded product can be formed.

なお、第１押出機における加熱温度が１７０℃未満では多種混在樹脂廃材を完全に溶融することはできず、第１押出機における加熱温度が１９０℃を越すと、焼けが生じてガスが多量に発生し樹脂の物性，強度が劣化するため、第１押出機における加熱温度は１７０〜１９０℃としなければならない。
また、ダイスより押し出すときの溶融樹脂の温度は、１２８℃よりも低くすると溶融樹脂の流動性が損なわれ第２押出機内の押送圧力が異常に上昇すると共に成形速度も極端に遅くなるので好ましくない。また、ダイスより押し出すときの溶融樹脂の温度が１６０℃よりも高いと、形状保持性がなくなり所要形状に成形することが困難となる。このためダイスより押し出すときの溶融樹脂の温度は、１２８〜１６０℃でなければならない。 If the heating temperature in the first extruder is less than 170 ° C., the mixed resin waste cannot be completely melted. If the heating temperature in the first extruder exceeds 190 ° C., burning occurs and a large amount of gas is generated. Since the generated physical properties and strength of the resin deteriorate, the heating temperature in the first extruder must be 170 to 190 ° C.
Also, if the temperature of the molten resin when extruding from the die is lower than 128 ° C., the fluidity of the molten resin is impaired, the pushing pressure in the second extruder is abnormally increased, and the molding speed is extremely slow, which is not preferable. . Moreover, when the temperature of the molten resin when extruding from a die is higher than 160 ° C., the shape retainability is lost, and it becomes difficult to form a required shape. For this reason, the temperature of the molten resin when extruding from a die must be 128 to 160 ° C.

また、この実施形態に示したように２本のスクリュー軸３１ａ，３１ｂを有する第２押出機２は、その冷却過程でも溶融樹脂を両スクリュー軸間にて混練させることから、一旦融合した種類の異なる合成樹脂を分離させるおそれなく成形可能な温度まで徐々に冷却しダイスに押送することができる。このため第２押出機２はこの実施形態で示したように２本のスクリュー軸を有するものが望ましいが、スクリュー軸が１本だけの押出機では、合成樹脂を分離させないようにするための添加剤を使用することで対処することが可能となる。   Further, as shown in this embodiment, the second extruder 2 having the two screw shafts 31a and 31b kneads the molten resin between the screw shafts even in the cooling process, so that it is a type of once fused. It can be gradually cooled to a moldable temperature without being separated from different synthetic resins and can be fed to a die. For this reason, it is desirable that the second extruder 2 has two screw shafts as shown in this embodiment. However, in an extruder having only one screw shaft, an addition for preventing the synthetic resin from being separated. It becomes possible to cope with it by using an agent.

また、冷却フィン３６を備えた冷却器３７を第２押出機とダイスとの間の材料押出通路の中心部に設け、溶融樹脂を該冷却フィンに接触させることにより該溶融樹脂の中心部が冷却され、外周部との温度差を無くすことができるため、溶融樹脂の流動性が中心部と外周部とで大きく相違するようなことがなくなり該溶融樹脂をダイスから一様に押し出すことができる。このために分離し易い多種混在樹脂廃材を原料としながらも、円柱状、板状、或いは中空筒状等の複雑な断面形状を持ったプラスチック製品を容易に成形することができる。   Also, a cooler 37 having a cooling fin 36 is provided at the center of the material extrusion passage between the second extruder and the die, and the molten resin is brought into contact with the cooling fin to cool the central portion of the molten resin. In addition, since the temperature difference from the outer peripheral portion can be eliminated, the fluidity of the molten resin does not greatly differ between the central portion and the outer peripheral portion, and the molten resin can be uniformly extruded from the die. For this reason, it is possible to easily mold a plastic product having a complicated cross-sectional shape such as a columnar shape, a plate shape, or a hollow cylindrical shape while using a variety of mixed resin waste materials that are easily separated as raw materials.

なお、一般家庭から排出された多種混在樹脂廃材の成分を分析した結果、ポリプロピレンが３１重量％、ポリエチレンが４７重量％、ポリスチレンが１１重量％、ポリ塩化ビニールが１重量％、ポリエチレンテレフタレートが１重量％、ナイロンが２重量％、有機低分子物３重量％、無機物４重量％であった。本発明によればこの例のように３種類以上の合成樹脂が混在する多種混在樹脂廃材でも分別することなくそのままで新たなプラスチック製品の原料としてリサイクルすることができる。   In addition, as a result of analyzing the components of the mixed resin waste materials discharged from ordinary households, polypropylene was 31% by weight, polyethylene was 47% by weight, polystyrene was 11% by weight, polyvinyl chloride was 1% by weight, and polyethylene terephthalate was 1% by weight. %, Nylon 2% by weight, organic low molecular weight 3% by weight, and inorganic 4% by weight. According to the present invention, it is possible to recycle as a raw material of a new plastic product as it is without separation even in a mixed resin waste material in which three or more kinds of synthetic resins are mixed as in this example.

また、上記のようにペレット状に加工した多種混在樹脂廃材を例えば７０重量％に対し、同様に造粒機によってペレット状に加工した木材を３０重量％混合したものを原料とすることにより、建築資材としても使用可能な良質の木質系合成樹脂板等を成形することが可能である。
また、古紙、繊維等のセルロース系材料をこの多種混在樹脂廃材と適宜配分で混合することによっても、用途に応じた物性のプラスチック製品を成形することができる。またその成形に際して際、必要に応じて強化剤、安定剤、耐光剤、難燃剤等を添加してもよい。 In addition, for example, 70% by weight of the mixed resin waste material processed into pellets as described above is mixed with 30% by weight of wood processed into pellets by a granulator as a raw material. It is possible to mold a high-quality wood-based synthetic resin plate that can be used as a material.
Also, by mixing cellulose-based materials such as waste paper and fibers with the various mixed resin waste materials in an appropriate distribution, a plastic product having physical properties according to the application can be formed. Further, at the time of molding, a reinforcing agent, a stabilizer, a light-resistant agent, a flame retardant and the like may be added as necessary.

本発明に係る押出成形装置の全体の概略を示す平面図。The top view which shows the outline of the whole extrusion apparatus which concerns on this invention. 図１の押出成形装置の要部の水平断面図。The horizontal sectional view of the principal part of the extrusion molding apparatus of FIG. 図２の要部拡大図。The principal part enlarged view of FIG. 図２のＡ−Ａ線断面図。FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. 図２のＢ−Ｂ線断面図。BB sectional drawing of FIG. 図２のＣ−Ｃ線断面図。The CC sectional view taken on the line of FIG. 図１のＤ−Ｄ線断面図。The DD sectional view taken on the line of FIG.

符号の説明Explanation of symbols

１ 第１押出機
２ 第２押出機
３ 連通路
４ 冷却域
５ ダイス
１０ シリンダ
１１ａ，１１ｂ スクリュー軸
１４ａ，１４ｂ 圧潰部
１５，１６，１７ 圧潰体
１８ バンドヒータ
１９ 冷媒通路
２０ ホッパー
３０ シリンダ
３１ａ，３１ｂ スクリュー軸
３６ 冷却フィン
３７ 冷却器
４０ 成形品 DESCRIPTION OF SYMBOLS 1 1st extruder 2 2nd extruder 3 Communication path 4 Cooling zone 5 Dies 10 Cylinder 11a, 11b Screw shaft 14a, 14b Crushing part 15, 16, 17 Crush body 18 Band heater 19 Refrigerant path 20 Hopper 30 Cylinder 31a, 31b Screw shaft 36 Cooling fin 37 Cooler 40 Molded product

Claims (3)

多種のプラスチック廃材が混在している多種混在樹脂廃材を第１押出機から第２押出機に送り込み、該第２押出機の下流に設けられたダイスより押し出すことにより所期の成形品を製造する多種混在樹脂廃材の押出成形装置であって、第１押出機は多種混在樹脂廃材を１７０〜１９０℃に加熱すると同時にシリンダ内に平行に設けられた２本のスクリュー軸によって該多種混在樹脂廃材を揉み砕くことにより該多種混在樹脂廃材を完全溶融して第２押出機に送り込み、第２押出機はシリンダ内に設けられた１本または２本のスクリュー軸によって該溶融樹脂を押送すると共に次第に温度下降させ、１２８〜１６０℃にて該溶融樹脂をダイスから押し出すようにしたことを特徴とする多種混在樹脂廃材の押出成形装置。   Various kinds of plastic waste materials mixed with various plastic waste materials are fed from the first extruder to the second extruder and extruded from a die provided downstream of the second extruder to produce an intended molded product. An apparatus for extruding various mixed resin waste materials, wherein the first extruder heats the mixed resin waste materials to 170 to 190 ° C. and simultaneously removes the mixed resin waste materials by two screw shafts provided in parallel in the cylinder. The mixed resin waste material is completely melted by crushing and fed to the second extruder, and the second extruder pushes the molten resin by one or two screw shafts provided in the cylinder and gradually increases the temperature. An apparatus for extruding various kinds of mixed resin waste material, wherein the molten resin is extruded from a die at 128 to 160 ° C. 第１押出機の２本のスクリュー軸は、ネジ山のピッチを下流に行くに従い次第に小さくなるように形成すると共に、両スクリュー軸の長手方向略中間部に外周面が偏心円周面状に形成された複数の圧潰体を両側に交互に段状に突出する形状に形成し、両スクリュー軸の該圧潰体間に挟着されることで多種混在樹脂廃材が揉み砕かれるようにした請求項１に記載した多種混在樹脂廃材の押出成形装置。   The two screw shafts of the first extruder are formed so that the thread pitch gradually decreases as going downstream, and the outer peripheral surface is formed in an eccentric circumferential surface at a substantially intermediate portion in the longitudinal direction of both screw shafts. A plurality of the crushed bodies are formed in a shape projecting alternately in steps on both sides, and sandwiched between the crushed bodies of both screw shafts so that the mixed resin waste material is crushed and crushed. Extrusion equipment for various mixed resin waste materials described in 1. 冷却媒体を流通させることにより冷却される冷却フィンを備えた冷却器を第２押出機とダイスとの間の材料押出通路の中心部に設け、溶融樹脂を該冷却フィンに接触させるようにした請求項１または２に記載の多種混在樹脂廃材の押出成形装置。   A cooler having cooling fins cooled by circulating a cooling medium is provided at the center of the material extrusion passage between the second extruder and the die, and the molten resin is brought into contact with the cooling fins. Item 3. An apparatus for extruding various mixed resin waste materials according to Item 1 or 2.
JP2005207497A 2005-07-15 2005-07-15 Extrusion equipment for mixed resin waste Active JP4478622B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005207497A JP4478622B2 (en) 2005-07-15 2005-07-15 Extrusion equipment for mixed resin waste
KR1020060012327A KR20070009372A (en) 2005-07-15 2006-02-09 Extruder of raw materials mingled with a variety of waste resins
CNA2006100041543A CN1895873A (en) 2005-07-15 2006-02-21 Multiple hybrid resin waste extrusion forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005207497A JP4478622B2 (en) 2005-07-15 2005-07-15 Extrusion equipment for mixed resin waste

Publications (2)

Publication Number Publication Date
JP2007021899A true JP2007021899A (en) 2007-02-01
JP4478622B2 JP4478622B2 (en) 2010-06-09

Family

ID=37608584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005207497A Active JP4478622B2 (en) 2005-07-15 2005-07-15 Extrusion equipment for mixed resin waste

Country Status (3)

Country Link
JP (1) JP4478622B2 (en)
KR (1) KR20070009372A (en)
CN (1) CN1895873A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100976551B1 (en) 2009-07-29 2010-08-18 (주)창성피앤알 Compounding muchine
JP2014073608A (en) * 2012-10-03 2014-04-24 Yokohama Rubber Co Ltd:The Method of producing film-shaped member for pneumatic tire and pneumatic tire using the same
CN107263843A (en) * 2017-07-19 2017-10-20 六安市洁美再生物资回收有限公司 A kind of plastic foam melts extrusion molding all-in-one
JP2018522766A (en) * 2016-03-16 2018-08-16 華南理工大学 Volume pulsation deformation plasticizing method and apparatus for biaxial or triaxial eccentric rotor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2014008152A (en) * 2011-12-31 2017-07-26 Univation Tech Llc Systems and methods for forming different plastic products from a single melt.
KR101439331B1 (en) * 2013-02-20 2014-09-11 최명근 Wood plastic composite and Manufacturing system which have plural injection hoppers and multistage extruding screws
KR102268420B1 (en) * 2020-09-03 2021-06-24 그린폴리텍(주) Deck manufacturing apparatus and manufacturing method and manufacturing method using waste vinyl

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100976551B1 (en) 2009-07-29 2010-08-18 (주)창성피앤알 Compounding muchine
JP2014073608A (en) * 2012-10-03 2014-04-24 Yokohama Rubber Co Ltd:The Method of producing film-shaped member for pneumatic tire and pneumatic tire using the same
JP2018522766A (en) * 2016-03-16 2018-08-16 華南理工大学 Volume pulsation deformation plasticizing method and apparatus for biaxial or triaxial eccentric rotor
EP3299141B1 (en) * 2016-03-16 2022-05-04 South China University of Technology Biaxial or tri-axial eccentric rotor volume pulsed deformation plasticizing method and device
CN107263843A (en) * 2017-07-19 2017-10-20 六安市洁美再生物资回收有限公司 A kind of plastic foam melts extrusion molding all-in-one

Also Published As

Publication number Publication date
JP4478622B2 (en) 2010-06-09
CN1895873A (en) 2007-01-17
KR20070009372A (en) 2007-01-18

Similar Documents

Publication Publication Date Title
JP4478622B2 (en) Extrusion equipment for mixed resin waste
CN102470597B (en) Molding material for extrusion foam molding, process for producing same, woody molded foam produced from the molding material, and process and apparatus for producing the woody molded foam
KR20120014155A (en) Method for recycling plastic materials
US20140312151A1 (en) Apparatus for processing plastic material
JP2014530134A (en) Plastic material processing equipment
JP3270464B2 (en) Compounded compound-injection molding method and apparatus for performing the method
CN206678219U (en) A kind of automobile using heat resist modification PP particle granulating devices
US20190184619A1 (en) Long fiber reinforced thermoplastic filament
WO2006119229A3 (en) Recycled materials strengthening process, system and products
WO2013076783A1 (en) Synthetic wood manufacturing method and synthetic wood
JP5161123B2 (en) Manufacturing method of composite wood
CA2190351A1 (en) Method and apparatus for recycling waste materials including thermoplastic materials
KR101276323B1 (en) The manufacturing method of recycling chip using a waste plastic composite sheet
JP5017322B2 (en) Crushing and mixing granulation method and apparatus using a twin screw extruder
CN113412179B (en) Forming machine and manufacturing method of thermoplastic resin composition, manufacturing method of composite resin composition formed product and injection molded product
JP4633585B2 (en) Method for producing resin-containing laminate
JP4092218B2 (en) Wood-like molded product manufacturing equipment
JP4125942B2 (en) Mixed material using plastic waste, manufacturing apparatus thereof, and manufacturing method thereof
JP4051274B2 (en) Method for producing elastic material by recycling waste tires
Gyárfás et al. The Design of a small-scale PlasTic exTruDer machine
WO2004041495A1 (en) Low shear pelletization method and apparatus therefor
JP2001179808A (en) Continuous method for molding foamed object and apparatus for the method
EP0720898B1 (en) Improvement in the recycling method for the re-use of solid household and similar wastes
KR100531490B1 (en) Apparatus and method of extrusion molding for using a scrap plastic
US20140107297A1 (en) Apparatus and method for producing thermoplastic elastomer, elastomers produced thereby and articles produced from the elastomers

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080526

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090929

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091027

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091225

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100216

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100315

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130319

Year of fee payment: 3