JP2016179643A - Internal observation method of kneader - Google Patents

Internal observation method of kneader Download PDF

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Publication number
JP2016179643A
JP2016179643A JP2015061999A JP2015061999A JP2016179643A JP 2016179643 A JP2016179643 A JP 2016179643A JP 2015061999 A JP2015061999 A JP 2015061999A JP 2015061999 A JP2015061999 A JP 2015061999A JP 2016179643 A JP2016179643 A JP 2016179643A
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Prior art keywords
kneading
kneader
casing
kneaded
observation method
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JP2015061999A
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JP6543985B2 (en
Inventor
慶知 佐藤
Yoshitomo Sato
慶知 佐藤
飛鳥 米山
Asuka Yoneyama
飛鳥 米山
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Yokohama Rubber Co Ltd
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Yokohama Rubber Co Ltd
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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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
    • 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
    • B29B7/186—Rotors therefor
    • 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
    • B29B7/286—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control measuring properties of the mixture, e.g. temperature, density
    • 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
    • B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
    • 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
    • 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
    • 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
    • B29C48/94—Lubricating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an internal observation method of a kneader capable of grasping easily a behavior of a kneading material inside the kneader.SOLUTION: A kneader model 1 is used, which includes a casing 2 formed of a transparent material through which the inside can be viewed from the outside, and a kneading driver 3 installed inside the casing 2. A kneading material 4 and a light emitter 5 are inputted inside the casing 2, and the kneading driver 3 is driven by a motor 9, to thereby mix the kneading material 4 and a light emitter 5 together. Image data are acquired by photographing movement of the light emitter 5 emitting light, from the outside of the casing 2.SELECTED DRAWING: Figure 1

Description

本発明は、混練機の内部観察方法に関し、さらに詳しくは、混練機内部の混練材料の挙動を簡易に把握することができる混練機の内部観察方法に関するものである。   The present invention relates to an internal observation method of a kneader, and more particularly to an internal observation method of a kneader that can easily grasp the behavior of a kneaded material inside the kneader.

タイヤやゴムホース等のゴム製品を製造する際には、天然ゴム等の原料ゴムとカーボン等の各種配合部材とをミキサや押出機等の混練機に投入し、混練りすることにより各種配合薬品を均一に分散させるとともに、一定粘度に低下させるようにしている（例えば、特許文献１、２参照）。特許文献１に記載のゴム押出機では、シリンダ内で回転するスクリューによりゴムの混練を行う。特許文献２に記載の密閉式混練機では、ケーシング内のロータが回転することでゴム材料の混練を行う。   When manufacturing rubber products such as tires and rubber hoses, raw rubber such as natural rubber and various compounding members such as carbon are put into a kneader such as a mixer or an extruder and kneaded to mix various chemicals. It is made to disperse | distribute uniformly and to make it reduce to a fixed viscosity (for example, refer patent document 1, 2). In the rubber extruder described in Patent Document 1, rubber is kneaded by a screw rotating in a cylinder. In the closed kneader described in Patent Document 2, the rubber material is kneaded by the rotation of the rotor in the casing.

混練機による混練具合は、混練した材料の性能に大きく影響する。したがって、混練機の内部でゴム等の混練材料がどのような挙動をしているのかを把握できればより最適なスクリューの使用を検討する場合などに有益である。しかしながら、混練中の混練機の内部を確認することは実際には難しく、シミュレーションや経験則に基づいて推測しているのが現状である。そのため、混練機内部の混練材料の挙動を簡易に把握することができる手段が要望されている。   The degree of kneading by the kneader greatly affects the performance of the kneaded material. Therefore, if it is possible to grasp the behavior of the kneading material such as rubber inside the kneading machine, it is useful when considering the use of a more optimal screw. However, it is actually difficult to confirm the inside of the kneading machine during kneading, and the current situation is that it is estimated based on simulations and empirical rules. Therefore, there is a demand for means that can easily grasp the behavior of the kneaded material inside the kneader.

特開２０１４−４６６４６号公報JP 2014-46646 A 特開２０１１−３１５５８号公報JP 2011-31558 A

本発明の目的は、混練機内部の混練材料の挙動を簡易に把握することができる混練機の内部観察方法を提供することにある。   An object of the present invention is to provide an internal observation method of a kneader that can easily grasp the behavior of the kneaded material inside the kneader.

上記目的を達成するため本発明の混練機の内部観察方法は、ケーシングとこのケーシングの内部に設置される混練駆動体とを備えた混練機モデルを用いた混練機の内部観察方法であって、前記ケーシングを外部から内部が視認可能な透明材料により形成し、前記ケーシングの内部に投入した混練材料および発光体を前記混練駆動体を駆動して混練するとともに、前記ケーシングの外部から前記発光体の動きを撮影して画像データを取得することを特徴とする。   In order to achieve the above object, the internal observation method of the kneader of the present invention is an internal observation method of a kneader using a kneader model equipped with a casing and a kneading driver installed inside the casing, The casing is formed of a transparent material whose inside is visible from the outside, the kneading material and the light emitting body that are put into the casing are kneaded by driving the kneading driving body, and the light emitting body of the light emitting body from the outside of the casing. Image data is acquired by capturing a motion.

本発明によれば、前記混練材料と共に混練される前記発光体の動きを前記ケーシングの外部から画像データとして取得するだけで複雑な設備を用いることなく、混練材料の挙動を容易に把握することができる。これに伴い、混練駆動体の形状や回転速度等を変えることで生じる混練材料の挙動の違いや混練駆動体の混練効率の違い等を定量的に分析することができる。   According to the present invention, it is possible to easily grasp the behavior of the kneaded material without using complicated equipment simply by acquiring the movement of the luminous body kneaded together with the kneaded material as image data from the outside of the casing. it can. Along with this, it is possible to quantitatively analyze the difference in the behavior of the kneading material, the difference in the kneading efficiency of the kneading drive body, and the like caused by changing the shape and rotation speed of the kneading drive body.

前記混練駆動体を透明材料により形成することもできる。これにより、発光体を撮影する際に混練駆動体が邪魔になることがなく画像データを取得することができる。したがって、前記混練機モデル内を撮影する際には一方向からの撮影で発光体の挙動を網羅的に撮影できるので、撮影機器を１台にすることが可能になる。   The kneading driver may be formed of a transparent material. As a result, the image data can be acquired without disturbing the kneading driver when photographing the light emitter. Therefore, when photographing the inside of the kneader model, the behavior of the illuminant can be photographed comprehensively by photographing from one direction, so that one photographing device can be provided.

前記発光体として、前記混練材料に溶けない不溶性材料を用いることもできる。これにより、発光体が混練材料に溶けて混ざることを回避できるので、発光体の挙動をより精度よく長時間観察することができる。これに伴ない、混練材料の挙動を定量的に分析するには益々有利になる。   As the luminous body, an insoluble material that does not dissolve in the kneaded material can be used. Thereby, since it can avoid that a light-emitting body melt | dissolves and mixes with a kneading | mixing material, the behavior of a light-emitting body can be observed more accurately for a long time. Accordingly, it becomes more and more advantageous to quantitatively analyze the behavior of the kneaded material.

前記混練材料としては例えば、カルボキシメチルセルロース溶液、鉱物油、合成油、植物油のいずれか１種類を用いる。これらの材料は入手し易く、特にカルボキシメチルセルロース溶液は所望の粘度に調整し易い。したがって、様々な実験条件を容易に再現することができる。   As the kneading material, for example, any one of carboxymethylcellulose solution, mineral oil, synthetic oil, and vegetable oil is used. These materials are easily available, and in particular, the carboxymethyl cellulose solution is easily adjusted to a desired viscosity. Therefore, various experimental conditions can be easily reproduced.

前記混練機モデルをゴム押出機またはゴム混練機の縮小モデルにすると、ゴム押出機またはゴム混練機の実物に近い条件での前記混練材料の挙動を把握することができる。また、縮小モデルなので、混練機の実物を用いる場合に比して、簡易に分析を行うことができる。   When the kneader model is a reduced model of a rubber extruder or a rubber kneader, the behavior of the kneaded material under conditions close to the real thing of the rubber extruder or the rubber kneader can be grasped. In addition, since the model is a reduced model, the analysis can be easily performed as compared with the case where the actual kneader is used.

本発明に用いる混練機モデルを縦断面視で例示する説明図である。It is explanatory drawing which illustrates the kneader model used for this invention by a longitudinal cross-sectional view. 図１のＡ−Ａ断面視で混練機モデルを例示するとともにその周辺機器を例示する説明図である。It is explanatory drawing which illustrates a kneader model in AA sectional view of FIG. 1, and its peripheral device. 本発明に用いる別の混練機モデルを縦断面視で例示するとともにその周辺機器を例示する説明図である。It is explanatory drawing which illustrates another kneader model used for this invention by a longitudinal cross-sectional view, and illustrates the peripheral device. 図３のＢ−Ｂ断面図である。It is BB sectional drawing of FIG.

以下、本発明の混練機の内部観察方法を図１〜２に示した実施形態に基づいて説明する。   Hereinafter, the internal observation method of the kneading machine of the present invention will be described based on the embodiment shown in FIGS.

本発明の混練機の内部観察方法では、ケーシング２とこのケーシング２の内部に設置される混練駆動体３とを備えた混練機モデル１を用いる。そして、ケーシング２の内部に混練材料４および発光体５を投入し、混練駆動体３を駆動して混練するとともに、ケーシング２の外部から発光体５の動きを撮影して画像データを取得する。この実施形態では、混練機モデル１の外部に撮影機器６およびセンサ７と、これらが接続される分析装置８と、ブラックライト１０とが設置されている。   In the internal observation method of the kneader according to the present invention, the kneader model 1 including the casing 2 and the kneading driver 3 installed inside the casing 2 is used. Then, the kneading material 4 and the light emitter 5 are put into the casing 2 and the kneading driver 3 is driven to knead, and the movement of the light emitter 5 is photographed from the outside of the casing 2 to acquire image data. In this embodiment, an imaging device 6 and a sensor 7, an analyzer 8 to which these are connected, and a black light 10 are installed outside the kneader model 1.

混練機モデル１は、内部観察を行う対象となる混練機を再現するモデルである。混練機モデル１は、必ずしも実物の混練機を忠実に再現する必要はないが、実物の混練機の構造に近い構造を再現するほど、より現実に即したデータを取得することができる。この実施形態では、混練機モデル１としてゴム押出機の縮小モデルを用いている。混練機モデル１としては、他にもミキサ、攪拌機、ニーダー等のゴムを混練する装置やその他の材料の混練機を再現したモデルを用いることができる。   The kneader model 1 is a model that reproduces a kneader to be subjected to internal observation. The kneader model 1 is not necessarily required to faithfully reproduce the actual kneader, but more realistic data can be acquired as the structure closer to that of the actual kneader is reproduced. In this embodiment, a reduced model of a rubber extruder is used as the kneader model 1. As the kneader model 1, there can be used a model that reproduces an apparatus for kneading rubber such as a mixer, a stirrer, and a kneader, and a kneader for other materials.

ケーシング２は、混練機モデル１の外壁を構成する部材である。ケーシング２は、透明材料により形成する。ケーシング２は、すべて透明材料により形成することも、観察したい範囲のみを透明材料により形成することもできる。ケーシング２の透明度は、外部から内部が視認可能であればよく、無色透明でなくてもよい。ケーシング２の具体的な材質としては例えば、アクリル樹脂、ポリカーボネート、塩化ビニル樹脂等を用いる。   The casing 2 is a member constituting the outer wall of the kneader model 1. The casing 2 is formed of a transparent material. The casing 2 can be formed entirely of a transparent material, or can be formed of a transparent material only in the range to be observed. As long as the transparency of the casing 2 is visible from the outside, it may not be colorless and transparent. As a specific material of the casing 2, for example, acrylic resin, polycarbonate, vinyl chloride resin, or the like is used.

この実施形態では、透明なアクリル樹脂の塊を内部に円柱状の空洞を有するシリンダ状に加工することで、ケーシング２を形成している。ケーシング２はこのように、樹脂を削り出して形成するだけでなく型成型により形成することもできる。このケーシング２には混練材料４および発光体５を投入する投入口２ａと混練材料４および発光体５が排出される排出口２ｂとが設けられている。   In this embodiment, the casing 2 is formed by processing a lump of transparent acrylic resin into a cylinder having a cylindrical cavity inside. In this way, the casing 2 can be formed not only by cutting out the resin but also by molding. The casing 2 is provided with an inlet 2a for charging the kneaded material 4 and the light emitter 5, and an outlet 2b for discharging the kneaded material 4 and the light emitter 5.

混練駆動体３は、混練材料４を混練する部材である。この実施形態では、円柱状の駆動軸３ａの外周に螺旋状の羽根部３ｂを有する混練駆動体３を透明な樹脂で形成している。駆動軸３ａの一端部はモータ９に接続されていて、モータ９が駆動源になって羽根部３ｂが駆動軸３ａを中心にして回転駆動される。   The kneading driver 3 is a member for kneading the kneading material 4. In this embodiment, the kneading drive body 3 having a spiral blade portion 3b on the outer periphery of a cylindrical drive shaft 3a is formed of a transparent resin. One end of the drive shaft 3a is connected to the motor 9, and the motor 9 serves as a drive source, and the blade portion 3b is rotationally driven around the drive shaft 3a.

透明な樹脂としてはアクリル樹脂、ポリカーボネート樹脂、塩化ビニル樹脂等を例示できる。混練駆動体３は、他にもＡＢＳ樹脂（アクリロニトリルブタジエンスチレン共重合合成樹脂）やＰＬＡ樹脂（ポリ乳酸樹脂）、ポリアミド樹脂等の各種樹脂や金属等の非透明材料で形成することもできる。ケーシング２や混練駆動体３は三次元プリンターを用いると簡易に作成することができる。   Examples of the transparent resin include acrylic resin, polycarbonate resin, and vinyl chloride resin. In addition, the kneading driver 3 can be formed of various resins such as ABS resin (acrylonitrile butadiene styrene copolymer synthetic resin), PLA resin (polylactic acid resin) and polyamide resin, and non-transparent materials such as metals. The casing 2 and the kneading drive body 3 can be easily created by using a three-dimensional printer.

混練材料４としては、実際に製造工場の混練機内で混練されている未加硫ゴムや樹脂等の材料やこれら材料の擬似材料を用いることができる。実際に工場等で使用される材料を混練材料４として用いると、その混練材料４の特性を含んだ挙動データを取得することができる。しかし、例えば、羽根部３ｂの最適な形状（仕様）を検討する場合等においては、羽根部３ｂの形状の相違による混練材料４の挙動の相対的な違いを把握できればよい。それ故、混練材料４として擬似材料を用いても十分にその目的を果たすことができる。   As the kneaded material 4, materials such as unvulcanized rubber and resin that are actually kneaded in a kneader at a manufacturing plant, or pseudo materials of these materials can be used. When a material that is actually used in a factory or the like is used as the kneaded material 4, behavior data including the characteristics of the kneaded material 4 can be acquired. However, for example, when examining the optimum shape (specification) of the blade portion 3b, it is only necessary to grasp the relative difference in the behavior of the kneaded material 4 due to the difference in the shape of the blade portion 3b. Therefore, even if a pseudo material is used as the kneading material 4, the object can be sufficiently achieved.

擬似材料には例えば流動性が高い粘弾性体であるカルボキシメチルセルロース溶液を用いる。カルボキシメチルセルロースは入手し易く、溶液を所望の粘度に調整し易いので、様々な実験条件を容易に再現することができる。カルボキシメチルセルロース溶液のような流動性が高い粘弾性体を用いると、混練時に混練駆動体３やケーシング２に対する負荷が小さくなるため、これらの強度や耐久性を低く設定することができる。それ故、三次元プリンタ等で簡易に作成した混練駆動体３を用いる場合であっても十分に使用することが可能になる。混練材料４として用いることができる流動性が高い粘弾性体の擬似材料としては、その他に、鉱物油、合成油、植物油等を例示できる。   As the pseudo material, for example, a carboxymethyl cellulose solution which is a viscoelastic body having high fluidity is used. Since carboxymethyl cellulose is easily available and the solution can be easily adjusted to a desired viscosity, various experimental conditions can be easily reproduced. When a viscoelastic body having a high fluidity such as a carboxymethylcellulose solution is used, the load on the kneading drive body 3 and the casing 2 is reduced during kneading, so that the strength and durability thereof can be set low. Therefore, even when the kneading driver 3 simply created by a three-dimensional printer or the like is used, it can be sufficiently used. Other examples of the pseudo material of the viscoelastic body having high fluidity that can be used as the kneading material 4 include mineral oil, synthetic oil, vegetable oil, and the like.

発光体５は、発光する性質を有する物体であり、粒状や液体状等様々な形態の物体を用いることができる。粒状の場合は、その粒径は例えば、混練駆動体５の直径の半分以下の直径を有するものにする。この実施形態では、発光体５として紫外線の照射によって発光する粒状蛍光体を採用している。そして、ケーシング２の外部からブラックライト１０を用いて紫外線を照射することで発光体５を発光させる。発光体５としては、蛍光体の他にも例えば、蓄光体や自発光体等様々な種類の物体を採用することができる。尚、発光体５が発光できる条件を満たすことができれば必ずしもブラックライト１０を設ける必要はない。   The light emitter 5 is an object having a property of emitting light, and various forms of objects such as a granular shape and a liquid shape can be used. In the case of a granular form, the particle diameter thereof has, for example, a diameter that is not more than half of the diameter of the kneading driver 5. In this embodiment, a granular phosphor that emits light when irradiated with ultraviolet rays is employed as the light emitter 5. And the light-emitting body 5 is light-emitted by irradiating an ultraviolet-ray using the black light 10 from the exterior of the casing 2. FIG. As the illuminant 5, various types of objects such as a phosphorescent material and a self-luminous material can be employed in addition to the phosphor. Note that the black light 10 is not necessarily provided as long as the condition that the light emitter 5 can emit light can be satisfied.

この実施形態では、ケーシング２の外部から発光体５の動きを撮影して画像データを取得する撮影機器６を１台設けている。撮影機器６としては動画撮影ができるデジタルカメラが好ましい。   In this embodiment, one photographing device 6 that captures the movement of the light emitter 5 from the outside of the casing 2 and obtains image data is provided. As the photographing device 6, a digital camera capable of photographing a moving image is preferable.

センサ７としては、例えば、速度センサや加速度センサ、温度センサ等を用いることができる。分析装置８としては、例えば、パーソナルコンピュータ―等を用いることができる。   As the sensor 7, for example, a speed sensor, an acceleration sensor, a temperature sensor, or the like can be used. As the analyzer 8, for example, a personal computer or the like can be used.

この実施形態では、ケーシング２および混練駆動体３を透明材料で形成しているため、１台の撮影機器６で発光体５の動きを網羅的に撮影することができるが、必要に応じて複数の撮影機器６を設けて混練機モデル１内を異なる方向から撮影することもできる。ケーシング２を透明材料で形成して混練駆動体３を非透明材料で形成する場合は、複数の撮影機器６により混練機モデル１の内部を異なる方向から撮影することが好ましい。   In this embodiment, since the casing 2 and the kneading drive body 3 are formed of a transparent material, the movement of the light emitter 5 can be comprehensively photographed with one photographing device 6, but a plurality of images can be obtained as necessary. It is also possible to photograph the inside of the kneader model 1 from different directions by providing the photographing device 6. When the casing 2 is formed of a transparent material and the kneading driver 3 is formed of a non-transparent material, it is preferable to photograph the inside of the kneader model 1 from different directions by a plurality of photographing devices 6.

次に、本発明の手順を説明する。例えば、暗室に混練機モデル１、撮影機器６、センサ７、ブラックライト１０を所定の位置に設置する。暗室の照度は使用する発光体５の発光特性によって異ならせることもできるが、例えば７５ｌｘ以下、より好ましくは５０ｌｘ以下に設定する。そして、投入口２ａから混練材料４と発光体５をケーシング２の内部に投入して、モータ９を稼働させ混練駆動体３を回転駆動させる。発光体５はケーシング２の内部に投入する前段階で事前に混練材料４に混入させておくこともできるし、ケーシング２の内部に別々に投入し、ケーシング２の内部ではじめて発光体５を混練材料４に混入させることもできる。   Next, the procedure of the present invention will be described. For example, the kneader model 1, the photographing device 6, the sensor 7, and the black light 10 are installed at predetermined positions in a dark room. The illuminance in the dark room can be varied depending on the light emission characteristics of the light emitter 5 to be used, but is set to, for example, 75 lx or less, more preferably 50 lx or less. Then, the kneading material 4 and the light emitter 5 are introduced into the casing 2 from the charging port 2a, and the motor 9 is operated to rotate the kneading driver 3. The luminous body 5 can be mixed in the kneaded material 4 in advance before being introduced into the casing 2, or can be separately introduced into the casing 2, and the luminous body 5 is kneaded only inside the casing 2. It can also be mixed in the material 4.

混練駆動体３が回転駆動することで、混練材料４と発光体５は投入口２ａから排出口２ｂへ混練されながら移動する。この際、発光体５はブラックライト１０からの紫外線の照射によって発光する。混練駆動体３によって混練されている発光体５の挙動を撮影機器６によってケーシング２の外部から撮影して画像データを取得し、センサ７によって発光体５の移動速度や混練材料４の温度変化等の検知データを取得する。取得したデータは分析装置８に有線または無線で送信され、その取得したデータに基づいて分析作業を行なう。   When the kneading driver 3 is driven to rotate, the kneading material 4 and the light emitter 5 move while being kneaded from the inlet 2a to the outlet 2b. At this time, the light emitter 5 emits light when irradiated with ultraviolet rays from the black light 10. The behavior of the luminous body 5 kneaded by the kneading driver 3 is photographed from the outside of the casing 2 by the photographing device 6 to acquire image data, and the moving speed of the luminous body 5 and the temperature change of the kneaded material 4 are obtained by the sensor 7. Get the detection data. The acquired data is transmitted to the analyzer 8 by wire or wirelessly, and analysis work is performed based on the acquired data.

例えば、羽根部３ｂの最適な形状（仕様）を検討する場合には、羽根部３ｂの形状（仕様）が異なる混練駆動体３に交換して同様の手順でデータを取得し、取得したデータに基づいて羽根部３ｂの形状による混練材料４の挙動の違いを比較分析する。混練材料４の特性の違いによる混練材料４の挙動の違いを分析したい場合には、混練材料４の粘度や種類、温度等を変えて同様の手順でデータを取得し、比較分析を行う。   For example, when examining the optimum shape (specification) of the blade portion 3b, the data is acquired in the same procedure by replacing the kneading driver 3 with a different shape (specification) of the blade portion 3b. Based on this, the difference in behavior of the kneaded material 4 due to the shape of the blade 3b is comparatively analyzed. When it is desired to analyze the difference in the behavior of the kneaded material 4 due to the difference in the characteristics of the kneaded material 4, data is acquired in the same procedure by changing the viscosity, type, temperature, etc. of the kneaded material 4, and comparative analysis is performed.

本発明によれば、混練材料４と共に混練される発光体５の動きをケーシング２の外部から画像データとして取得するだけで複雑な設備を用いることなく、混練材料４の挙動を容易に把握することができる。これに伴い、混練駆動体３（羽根部３ｂ）の形状や回転速度等を変えることで生じる混練材料４の挙動の違いや混練駆動体３の混練効率の違い等を定量的に分析することができる。   According to the present invention, it is possible to easily grasp the behavior of the kneaded material 4 without using complicated equipment simply by acquiring the movement of the luminous body 5 kneaded together with the kneaded material 4 from the outside of the casing 2 as image data. Can do. Along with this, it is possible to quantitatively analyze the difference in behavior of the kneading material 4 and the difference in kneading efficiency of the kneading driver 3 caused by changing the shape and rotation speed of the kneading driver 3 (blade portion 3b). it can.

発光体５は、混練材料４に溶けない不溶性材料を用いるとよい。混練材料４に溶けない発光体５を用いることにより、発光体５が混練材料４に溶けて混ざることを回避できるので、発光体５の挙動をより精度よく長時間観察することができる。これに伴ない、混練材料４の挙動を定量的に分析するには益々有利になる。   For the light emitter 5, an insoluble material that does not dissolve in the kneaded material 4 may be used. By using the luminous body 5 that does not dissolve in the kneaded material 4, it is possible to avoid the luminous body 5 from being melted and mixed in the kneaded material 4, so that the behavior of the luminous body 5 can be observed more accurately for a long time. Accordingly, it becomes more and more advantageous to quantitatively analyze the behavior of the kneaded material 4.

この実施形態では、混練機モデル１として、縮小モデルを用いているのでゴム押出機またはゴム混練機の実物に近い条件での前記混練材料の挙動を把握することができる。また、縮小モデルなので、混練機の実物を用いる場合に比して、簡易に分析を行うことができる。さらに、撮影機器６に加えてセンサ７を設置しているので、発光体５の挙動に関するより詳細なデータを取得することができる。そのため、混練機モデル１内での混練材料４の挙動をより定量的に分析することができる。   In this embodiment, since the reduced model is used as the kneader model 1, it is possible to grasp the behavior of the kneaded material under conditions close to those of the rubber extruder or the rubber kneader. In addition, since the model is a reduced model, the analysis can be easily performed as compared with the case where the actual kneader is used. Further, since the sensor 7 is installed in addition to the photographing device 6, more detailed data regarding the behavior of the light emitter 5 can be acquired. Therefore, the behavior of the kneaded material 4 in the kneader model 1 can be analyzed more quantitatively.

別の混練機モデル１を図３、４に示す。この混練機モデル１は、ゴム混練機を再現したモデルである。ケーシング２は、内部に楕円柱状の空洞を有する形状に形成されている。ケーシング２の上部には開閉式の投入口２ａ、下部には開閉式の排出口２ｂが設けられている。混練駆動体３は対向する２つのロータで構成されている。この混練駆体３を構成する２つのロータはモータ９に接続されており、モータ９を駆動源としてそれぞれ独立して回転駆動する。   Another kneader model 1 is shown in FIGS. This kneader model 1 is a model reproducing a rubber kneader. The casing 2 is formed in a shape having an elliptic columnar cavity inside. The casing 2 is provided with an openable / closable inlet 2a and at the lower part thereof an openable / closable outlet 2b. The kneading drive body 3 is composed of two opposed rotors. The two rotors constituting the kneading body 3 are connected to a motor 9 and are independently driven to rotate by using the motor 9 as a drive source.

この実施形態では、粘度の異なる２種類の混練材料４ａ、４ｂと、発光色が異なる２種類の粒状蛍光体である発光体５ａ、５ｂを用いている。撮影機器６、センサ７、分析装置８、ブラックライト１０は先の実施形態と同様の構成である。   In this embodiment, two types of kneaded materials 4a and 4b having different viscosities, and light emitters 5a and 5b which are two types of granular phosphors having different emission colors are used. The imaging device 6, the sensor 7, the analyzer 8, and the black light 10 have the same configuration as in the previous embodiment.

次に、この混練機モデル１を用いた本発明の手順を説明する。まず、事前に混練材料４ａに発光体５ａを混入させて混練材料４ａに発光体５ａが適度に点在している状態にする。同様に混練材料４ｂに発光体５ｂを混入させて混練材料４ｂに発光体５ｂが適度に点在している状態にする。そして、排出口２ｂを閉じた状態で、この混練材料４ａとこの混練材料４ｂとを投入口２ａからそれぞれ所定量投入する。その後、投入口２ａを閉めケーシング２を密閉した状態でモータ９を稼働させ、混練駆動体３を回転駆動させる。   Next, the procedure of the present invention using this kneader model 1 will be described. First, the light emitter 5a is mixed in the kneaded material 4a in advance so that the light emitters 5a are appropriately scattered in the kneaded material 4a. Similarly, the light emitter 5b is mixed into the kneaded material 4b so that the light emitter 5b is appropriately scattered in the kneaded material 4b. Then, with the discharge port 2b closed, a predetermined amount of the kneaded material 4a and the kneaded material 4b are charged from the charging port 2a. Thereafter, the motor 9 is operated with the charging port 2a closed and the casing 2 sealed, and the kneading driver 3 is driven to rotate.

発光体５ａが点在する混練材料４ａと発光体５ｂが点在する混練材料４ｂは、ケーシング２内で混練駆動体３である二つのロータによって繰り返し混練される。発光体５ａは混練材料４ａに伴なって動き、発光体５ｂは混練材料４ｂに伴なって動く。混練材料４ａ、４ｂが混練されると発光体５ａ、５ｂはケーシング２内で混り合うことになる。この混練材料４ａ、４ｂがケーシング２内に投入されてから混ざり合う過程を撮影機器６によってケーシング２の外部から撮影して画像データを取得する。また、センサ７によって発光体５ａ、５ｂそれぞれの移動速度や混練材料４ａ、４ｂの温度変化等の検知データを取得する。取得したデータは分析装置８に送信され、その取得したデータに基づいて分析作業を行なう。   The kneaded material 4a interspersed with the light emitters 5a and the kneaded material 4b interspersed with the light emitters 5b are repeatedly kneaded in the casing 2 by the two rotors that are the kneading drive bodies 3. The light emitter 5a moves with the kneaded material 4a, and the light emitter 5b moves with the kneaded material 4b. When the kneaded materials 4 a and 4 b are kneaded, the light emitters 5 a and 5 b are mixed in the casing 2. The mixing process after the kneaded materials 4a and 4b are put into the casing 2 is photographed from the outside of the casing 2 by the photographing device 6 to obtain image data. In addition, the sensor 7 acquires detection data such as the moving speed of each of the light emitters 5a and 5b and the temperature change of the kneaded materials 4a and 4b. The acquired data is transmitted to the analyzer 8, and an analysis operation is performed based on the acquired data.

この実施形態においても先の実施形態と同様に、例えば、羽根部３ｂの最適な形状（仕様）を検討する場合には、羽根部３ｂの形状（仕様）が異なる混練駆動体３に交換して同様の手順でデータを取得し、取得したデータを基に羽根部３ｂの形状による混練材料４ａ、４ｂの挙動の違いや混練効率等を比較分析する。   In this embodiment, similarly to the previous embodiment, for example, when the optimum shape (specification) of the blade portion 3b is examined, it is replaced with a kneading drive body 3 having a different shape (specification) of the blade portion 3b. Data is acquired in the same procedure, and based on the acquired data, the difference in behavior of the kneaded materials 4a and 4b depending on the shape of the blade portion 3b, kneading efficiency, and the like are comparatively analyzed.

この実施形態では、粘度が異なる混練材料４ａ、４ｂにそれぞれ発光色の異なる発光体５ａ、５ｂを点在させた後に、混練材料４ａと混練材料４ｂをケーシング２内で混練するので、混練材料４ａ、４ｂが混練される様子を発光体５ａ、５ｂにより可視化することができる。そして、この発光体５ａ、５ｂのそれぞれの動きをケーシング２の外部から画像データとして取得することで、混練材料４ａ、４ｂのそれぞれの挙動を把握することができる。   In this embodiment, the kneaded material 4a and the kneaded material 4b are kneaded in the casing 2 after the luminous materials 5a and 5b having different emission colors are scattered on the kneaded materials 4a and 4b having different viscosities, respectively. The state in which 4b is kneaded can be visualized by the light emitters 5a and 5b. And each movement of this light-emitting body 5a, 5b is acquired as image data from the exterior of the casing 2, and each behavior of the kneading | mixing material 4a, 4b can be grasped | ascertained.

この実施形態では特性の異なる２種類の混練材料４と発光体５を用いたが、先の実施形態と同様に１種類の混練材料４を用いることもできる。或いは、特性の異なる３種類以上の混練材料４と発光体５を用いることもできる。異ならせる特性としては混練材料４の粘度の他に、比重等を例示できる。   In this embodiment, two types of kneading materials 4 and light emitters 5 having different characteristics are used, but one type of kneading material 4 can also be used as in the previous embodiment. Alternatively, three or more kinds of kneading materials 4 and light emitters 5 having different characteristics can be used. Examples of the characteristic to be varied include specific gravity and the like in addition to the viscosity of the kneaded material 4.

１ 混練機モデル
２ ケーシング
２ａ 投入口
２ｂ 排出口
３ 混練駆動体
３ａ 駆動軸
３ｂ 羽根部
４、４ａ、４ｂ 混練材料
５、５ａ、５ｂ 発光体
６ 撮影機器
７ センサ
８ 分析装置
９ モータ
１０ ブラックライト DESCRIPTION OF SYMBOLS 1 Kneading machine model 2 Casing 2a Input port 2b Discharge port 3 Kneading drive body 3a Drive shaft 3b Blade | wing part 4, 4a, 4b Kneaded material 5, 5a, 5b Luminescent body 6 Imaging equipment 7 Sensor 8 Analyzer 9 Motor 10 Blacklight

Claims (5)

ケーシングとこのケーシングの内部に設置される混練駆動体とを備えた混練機モデルを用いた混練機の内部観察方法であって、
前記ケーシングを外部から内部が視認可能な透明材料により形成し、前記ケーシングの内部に投入した混練材料および発光体を前記混練駆動体を駆動して混練するとともに、前記ケーシングの外部から前記発光体の動きを撮影して画像データを取得することを特徴とする混練機の内部観察方法。 A kneader internal observation method using a kneader model equipped with a casing and a kneading driver installed inside the casing,
The casing is formed of a transparent material whose inside is visible from the outside, and the kneading material and the light emitting body charged into the casing are kneaded by driving the kneading driving body, and the light emitting body of the light emitting body from the outside of the casing. An internal observation method of a kneading machine, characterized in that image data is acquired by photographing a motion. 前記混練駆動体を透明材料により形成する請求項１に記載の混練機の内部観察方法。   The internal observation method of the kneader according to claim 1, wherein the kneading driver is formed of a transparent material. 前記発光体として、前記混練材料に溶けない不溶性材料を用いる請求項１または２に記載の混練機の内部観察方法。   The internal observation method of a kneading machine according to claim 1 or 2, wherein an insoluble material that does not dissolve in the kneaded material is used as the luminous body. 前記混練材料として、カルボキシメチルセルロース溶液、鉱物油、合成油、植物油のいずれかを用いる請求項１〜３のいずれかに記載の混練機の内部観察方法。   The internal observation method of a kneading machine according to any one of claims 1 to 3, wherein any one of a carboxymethyl cellulose solution, mineral oil, synthetic oil, and vegetable oil is used as the kneading material. 前記混練機モデルがゴム押出機またはゴム混練機の縮小モデルである請求項１〜４のいずれかに記載の混練機の内部観察方法。   5. The internal observation method for a kneader according to claim 1, wherein the kneader model is a reduced model of a rubber extruder or a rubber kneader.
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