JPH07144320A - Method and device for mixing material containing glass fiber - Google Patents
Method and device for mixing material containing glass fiberInfo
- Publication number
- JPH07144320A JPH07144320A JP32121593A JP32121593A JPH07144320A JP H07144320 A JPH07144320 A JP H07144320A JP 32121593 A JP32121593 A JP 32121593A JP 32121593 A JP32121593 A JP 32121593A JP H07144320 A JPH07144320 A JP H07144320A
- Authority
- JP
- Japan
- Prior art keywords
- mixing
- mixing chamber
- rotation
- mixing material
- material containing
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、ガラス繊維を含む混
合用材料の混合方法およびその混合装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for mixing a mixing material containing glass fibers and a mixing apparatus therefor.
【０００２】[0002]
【従来の技術】ウレタンフォーム製品、またはウレタン
フォームと合成樹脂が一体となった樹脂製品、あるいは
ゴム製品等にあっては、成形時のトリミングにより廃材
が発生する。また、成形時の不良によっても廃材が発生
する。この廃材は、そのままでは産業廃棄物となるた
め、細かく粉砕して再度成形材料として利用することが
なされている。その際、粉砕物は、補強用のガラス繊維
とともに混合装置内に投入されて、接合剤としてのバイ
ンダーと一緒に混合されて成形材料とされる。その後、
成形材料は圧縮成形型内に投入され、型形状に加熱プレ
スされて所望の再生成形品にされる。2. Description of the Related Art In a urethane foam product, a resin product in which urethane foam and synthetic resin are integrated, or a rubber product, waste materials are generated by trimming during molding. Further, waste materials are also generated due to defects during molding. Since this waste material becomes industrial waste as it is, it is crushed finely and used again as a molding material. At that time, the crushed material is put into a mixing device together with the reinforcing glass fiber and mixed with a binder as a bonding agent to form a molding material. afterwards,
The molding material is put into a compression mold and is hot pressed into a mold shape to obtain a desired remolded product.
【０００３】ところで、従来の混合は、図４に示される
ように、回転軸６１下端に扇風機の羽根と同様の羽根６
３を設けた攪拌羽根６５を、混合容器６７内に上方から
差込んで回転させるものが主であった。Ｇは粉砕物等の
混合用材料である。By the way, in the conventional mixing, as shown in FIG. 4, a blade 6 similar to the blade of a fan is attached to the lower end of the rotary shaft 61.
Mostly, the stirring blade 65 provided with 3 was inserted into the mixing container 67 from above and rotated. G is a mixing material such as a pulverized product.
【０００４】しかし、前記混合にあっては、羽根６３の
回転が水平面でなされるため、水平方向における混合作
用しか得られず、上下方向の混合が不十分になって、全
体を均一に混合することができなかった。その結果、ガ
ラス繊維が粉砕物間に均一に分散せず、得られる成形品
の強度が一定しなかったり、外観が不良になる等の問題
を生じ易かった。特に、補強効果を高めるためにガラス
繊維を１０ｃｍ程度の長繊維とした場合には、より混合
不良を生じ易かった。However, in the above-mentioned mixing, since the blades 63 are rotated in a horizontal plane, only the mixing action in the horizontal direction can be obtained, and the mixing in the vertical direction becomes insufficient, so that the whole is uniformly mixed. I couldn't. As a result, the glass fibers were not uniformly dispersed between the pulverized products, and thus the strength of the obtained molded product was not constant, and the appearance was likely to be poor. In particular, when the glass fibers were made into long fibers of about 10 cm in order to enhance the reinforcing effect, poor mixing was more likely to occur.
【０００５】[0005]
【発明が解決しようとする課題】そこでこの発明は、前
記の点に鑑みなされたもので、ガラス繊維を含む混合用
材料を均一に混合する方法およびその混合装置を提供す
る。The present invention has been made in view of the above points, and provides a method for uniformly mixing a mixing material containing glass fibers and a mixing apparatus therefor.
【０００６】[0006]
【課題を解決するための手段】第一の発明は、内部に混
合室の形成された混合容器内に、回転する二つの攪拌羽
根を回転軸がほぼ水平方向となるよう並列させて設け、
前記混合室内にガラス繊維を含む混合用材料を投入し、
前記攪拌羽根の回転により混合用材料を上方へかき上げ
て混合させることを特徴とするガラス繊維を含む混合用
材料の混合方法に係る。According to a first aspect of the present invention, two rotating stirring blades are provided side by side in a mixing container having a mixing chamber formed therein so that their rotation axes are substantially horizontal.
Introducing a mixing material containing glass fibers into the mixing chamber,
The method for mixing a mixing material containing glass fibers is characterized in that the mixing material is scraped upward by the rotation of the stirring blade to mix the material.
【０００７】第二の発明は、内部に混合室が形成された
混合容器内に、回転する二つの攪拌羽根を、回転軸がほ
ぼ水平方向になるよう並列させて設けたことを特徴とす
るガラス繊維を含む混合用材料の混合装置に係る。A second invention is characterized in that two rotating stirring blades are provided side by side in a mixing container having a mixing chamber formed therein so that their rotation axes are substantially horizontal. The present invention relates to a mixing device for mixing materials including fibers.
【０００８】[0008]
【作用】混合室内の混合用材料は、二つの攪拌羽根の回
転により混合室内上部へ順次かき上げられ、その後再び
混合室内下部へ移動し、これが繰り返される。そのた
め、混合室内の上下方向でも混合用材料が均一に混合さ
れる。The mixing material in the mixing chamber is sequentially lifted up by the rotation of the two stirring blades to the upper part of the mixing chamber and then moved to the lower part of the mixing chamber again, and this is repeated. Therefore, the mixing material is uniformly mixed even in the vertical direction in the mixing chamber.
【０００９】[0009]
【実施例】以下添付の図面に従ってこの発明を詳細に説
明する。図１はこの発明の一実施例に係る混合装置の平
面図、図２はその装置を用いて行なう混合の際を示す２
−２断面図、図３は攪拌羽根の他の実施例の斜視図であ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a plan view of a mixing apparatus according to an embodiment of the present invention, and FIG. 2 shows a mixing process using the apparatus.
2 is a sectional view and FIG. 3 is a perspective view of another embodiment of the stirring blade.
【００１０】図１および図２に示される混合装置１０
は、混合容器１１と二つの攪拌羽根２１，２１と駆動手
段３０よりなる。混合容器１１は、内部に混合室１３を
有する箱状からなるもので、上部が混合用材料の投入部
１７となっている。この投入部１７は、この実施例のよ
うに開放されたものでもよいが、蓋によって開閉するよ
うにしてもよい。混合室１３内の底面１４は、二つの円
弧面が底面中央１５で連結された形状からなる。この円
弧面は、攪拌羽根２１の回転によって攪拌羽根２１先端
２６が形成する円の一部とほぼ相似するものとされる。
これによって、混合室１３内の側面と底面との境界に角
部がなくなり、その境界にある混合用材料も攪拌羽根に
よって確実にかき上げられるようになる。混合容器１１
の対向する一組の側面には、二つの攪拌羽根２１，２１
の回転軸をほぼ水平に、かつ並列して保持するための孔
１８，１８，…が各側面に２個形成されている。The mixing device 10 shown in FIGS. 1 and 2.
Is composed of a mixing container 11, two stirring blades 21 and 21, and a driving means 30. The mixing container 11 has a box shape having a mixing chamber 13 inside, and an upper portion thereof serves as a mixing material feeding portion 17. The input portion 17 may be opened as in this embodiment, but may be opened and closed by a lid. The bottom surface 14 in the mixing chamber 13 has a shape in which two circular arc surfaces are connected at a bottom surface center 15. The circular arc surface is substantially similar to a part of a circle formed by the tip 26 of the stirring blade 21 by the rotation of the stirring blade 21.
As a result, there is no corner at the boundary between the side surface and the bottom surface in the mixing chamber 13, and the mixing material at the boundary can be reliably scraped up by the stirring blade. Mixing container 11
There are two stirring blades 21 and 21 on the pair of side surfaces facing each other.
Two holes 18, 18, ... For holding the rotating shafts of the above are substantially parallel and arranged side by side are formed on each side surface.
【００１１】攪拌羽根２１は、回転軸２３と、その回転
軸周囲に形成された羽根部２５とからなる。羽根部２５
は、この実施例では回転軸２３，２３間に蛇行形成され
た腕状のものからなるが、それに限られるものではな
い。たとえば、図３に示す他の実施例の攪拌羽根２１ａ
のように、回転軸２３ａの側面に板状の羽根部２５ａが
形成されたもの等、種々のものを使用できる。The stirring blade 21 comprises a rotary shaft 23 and a blade portion 25 formed around the rotary shaft. Blade 25
In this embodiment, the arm is formed in a meandering shape between the rotating shafts 23, 23, but is not limited thereto. For example, the stirring blade 21a of another embodiment shown in FIG.
As described above, various types can be used, such as the one in which the plate-shaped blade portion 25a is formed on the side surface of the rotating shaft 23a.
【００１２】なお、羽根部２５は、攪拌羽根２１のほぼ
一端から他端まで形成して、混合室１３内の対向する一
方の側面から他方の側面まで存在するようにするのが好
ましい。また、混合室１３内面と近接する羽根部２５の
先端２６を先細形状にして、その先端２６と混合室１３
内面間で混合用材料が挟まれて圧縮されにくくするのが
好ましい。これにより、混合用材料が塊になるのを防
ぎ、その後の成形不良を生じにくくすることができる。
また、前記羽根部の先端２６と混合室１３内面間の間隔
はできるだけ狭くするのがよく、一例として５ｍｍ程度
を挙げる。It is preferable that the blade portion 25 is formed from almost one end to the other end of the stirring blade 21 so as to exist from one side surface to the other side surface in the mixing chamber 13 which face each other. Further, the tip 26 of the blade portion 25 adjacent to the inner surface of the mixing chamber 13 is tapered so that the tip 26 and the mixing chamber 13
It is preferable that the mixing material is sandwiched between the inner surfaces to make it difficult to be compressed. This can prevent the mixing material from agglomerating and prevent subsequent molding failure.
The distance between the tip 26 of the blade and the inner surface of the mixing chamber 13 should be as small as possible, and an example is about 5 mm.
【００１３】この二つの攪拌羽根２１，２１は、各回転
軸２３，２３の端部が、前記混合容器側面の孔１８，１
８…に回転可能に挿入されて、混合室１３内に並列に取
り付けられる。混合容器に取り付けられた二つの攪拌羽
根２１，２１の一端は、駆動手段３０と連結されて、二
つの攪拌羽根２１，２１が所定方向へ回転するようにな
っている。二つの攪拌羽根２１，２１の回転方向は、同
一方向あるいは反対方向のいずれでもよいが、図２の矢
印で示すように、互いに反対方向の外向き回転とすれ
ば、より一層良好な攪拌効率を得られる。また、攪拌羽
根２１，２１の回転数は、７０回転／分以上とするの
が、ガラス繊維をより均一に分散できる点で好ましい。In these two stirring blades 21 and 21, the end portions of the rotary shafts 23 and 23 have holes 18 and 1 on the side surface of the mixing container.
8 is rotatably inserted into the mixing chamber 13 and mounted in parallel. One ends of the two stirring blades 21 and 21 attached to the mixing container are connected to the driving means 30 so that the two stirring blades 21 and 21 rotate in a predetermined direction. The two stirring blades 21 and 21 may rotate in the same direction or in opposite directions, but as shown by the arrow in FIG. can get. In addition, it is preferable that the number of rotations of the stirring blades 21 and 21 be 70 rotations / minute or more, because the glass fibers can be dispersed more uniformly.
【００１４】駆動手段３０は、回転装置３１と変速装置
４１と駆動モータＭよりなる。回転装置３１は、二つの
攪拌羽根２１，２１を回転させるためのもので、二つの
攪拌羽根の回転軸２３，２３と連結して互いに噛み合う
二つの歯車３２，３２と、その歯車の一方と噛み合う伝
達歯車３３と、その伝達歯車を回転させる駆動歯車３４
を有する。また駆動歯車３４は、変速装置４１に連結さ
れる駆動軸３５が中心に固着されている。The driving means 30 comprises a rotating device 31, a transmission device 41 and a drive motor M. The rotating device 31 is for rotating the two stirring blades 21 and 21, and is geared with two gears 32 and 32 that are connected to the rotating shafts 23 and 23 of the two stirring blades and mesh with each other. Transmission gear 33 and drive gear 34 for rotating the transmission gear
Have. Further, the drive gear 34 is fixed around a drive shaft 35 connected to the transmission 41.
【００１５】変速装置４１は、駆動軸３５の回転速度、
すなわち攪拌羽根２１，２１の回転速度を所望の速さに
するためのもので、ギヤ等を用いる公知の変速装置から
なる。４２は操作レバーである。この変速装置４１には
ベルト４３を介して駆動モータＭが接続されている。な
お、変速装置４１を介することなく駆動モータＭを前記
駆動軸３５に連結して、駆動モータＭ自体の回転速度を
変えるようにしてもよい。The transmission 41 has a rotational speed of the drive shaft 35,
That is, it is for making the rotational speed of the stirring blades 21 and 21 a desired speed, and is composed of a known transmission device using gears and the like. 42 is an operation lever. A drive motor M is connected to the transmission 41 via a belt 43. The drive motor M may be connected to the drive shaft 35 without the transmission 41 to change the rotation speed of the drive motor M itself.
【００１６】次に前記混合装置１０を用いる混合方法に
ついて説明する。用いる混合用材料としては、粉砕物、
ガラス繊維、バインダー、さらに必要に応じて他の充填
材等が含まれる。Next, a mixing method using the mixing device 10 will be described. The mixing material used is a pulverized product,
Glass fibers, a binder, and optionally other fillers are included.
【００１７】粉砕物は、ウレタンフォーム製品、ウレタ
ンフォームと合成樹脂が一体となった樹脂製品、あるい
はゴム製品等の粉砕物が用いられる。混合室１３内に投
入する粉砕物の量は、混合室１３の容積に対して３０％
以下にするのが、より均一に混合できる点で好ましい。
ガラス繊維は、成形品に要求される物性に応じたものが
用いられるが、特に３０ｃｍ以下の長さのものが均一に
混合し易い。また、粉砕物に対するガラス繊維の割合
は、粉砕物に対して５０重量％以下とするのが、より均
一な混合が得られる点で好ましい。As the crushed product, a crushed product such as a urethane foam product, a resin product in which urethane foam and synthetic resin are integrated, or a rubber product is used. The amount of the pulverized material charged into the mixing chamber 13 is 30% of the volume of the mixing chamber 13.
The following is preferable because more uniform mixing is possible.
As the glass fiber, a glass fiber having a physical property required for a molded product is used, and particularly a glass fiber having a length of 30 cm or less is easily mixed uniformly. Further, the ratio of the glass fiber to the pulverized product is preferably 50% by weight or less with respect to the pulverized product in terms of more uniform mixing.
【００１８】バインダーとしては、加熱硬化型のウレタ
ン系バインダー、湿分硬化型のウレタン系バインダー等
が好適である。このバインダーに関しては、この実施例
のように、混合中の粉砕物およびガラス繊維等に直接ス
プレー装置により噴霧するのが好ましい。As the binder, a heat-curable urethane type binder and a moisture-curable urethane type binder are suitable. With regard to this binder, it is preferable to directly spray the pulverized material, glass fibers and the like during mixing by a spraying device as in this example.
【００１９】図２に示すように、混合容器１１の混合室
１３内に、バインダーを除く混合用材料Ｇを所定量投入
し、二つの攪拌羽根２１，２１を駆動モータＭにより回
転させる。この二つの攪拌羽根２１，２１の回転によ
り、混合室１３内の下部にある混合用材料Ｇがかき上げ
られて上部へ移動する。また一度上部へ移動した混合用
材料Ｇも、攪拌羽根２１，２１の回転により順次下方へ
移動し、その後再び上方へかき上げられる。その際、混
合室１３内の混合用材料Ｇは、二つの攪拌羽根２１，２
１により繰り返し上方へかき上げられるため、混合室内
全体の混合用材料Ｇが効率よく混合される。As shown in FIG. 2, a predetermined amount of the mixing material G excluding the binder is put into the mixing chamber 13 of the mixing container 11, and the two stirring blades 21 and 21 are rotated by the drive motor M. By the rotation of these two stirring blades 21 and 21, the mixing material G in the lower part of the mixing chamber 13 is lifted and moved to the upper part. Further, the mixing material G once moved to the upper part is also sequentially moved downward by the rotation of the stirring blades 21 and 21, and then is scraped upward again. At that time, the mixing material G in the mixing chamber 13 has two stirring blades 21 and 21.
Since it is repeatedly lifted up by 1, the mixing material G in the entire mixing chamber is efficiently mixed.
【００２０】その混合中の混合用材料Ｇに、バインダー
Ｂを混合室１３上方に位置させたスプレー装置のノズル
５１から噴霧する。このバインダーＢも混合用材料Ｇと
ともに攪拌羽根２１，２１によりかき上げられて均一に
混合される。また、バインダーＢが噴霧された混合用材
料Ｇは、その噴霧圧により混合用材料Ｇ中のガラス繊維
の分散を促す作用もある。なお、そのためには噴霧圧を
３ｋｇ／ｃｍ2 以上とするのが好ましい。The binder B is sprayed onto the mixing material G during the mixing from the nozzle 51 of the spraying device located above the mixing chamber 13. The binder B is also scraped together with the mixing material G by the stirring blades 21 and 21 and mixed uniformly. The mixing material G sprayed with the binder B also has an action of promoting the dispersion of the glass fibers in the mixing material G by the spraying pressure. For that purpose, it is preferable to set the spray pressure to 3 kg / cm 2 or more.
【００２１】この混合により、バインダーを含む混合用
材料が均一に混合されて、成形材料が形成される。その
後、攪拌羽根２１，２１の回転を止めて、成形材料を取
り出す。得られた成形材料は、その後成形型に投入され
て加熱プレス等により所定形状の成形品にされる。By this mixing, the mixing material containing the binder is uniformly mixed to form a molding material. Then, the rotation of the stirring blades 21 and 21 is stopped and the molding material is taken out. The obtained molding material is then put into a molding die and molded into a predetermined shape by a hot press or the like.
【００２２】[0022]
【発明の効果】以上図示し説明したように、この発明の
混合方法および混合装置によれば、ガラス繊維を含む混
合用材料を、効率よく均一に混合することができる効果
がある。また、その混合により得られた成形材料を用い
て圧縮成形等を行なえば、品質の一定した、しかも外観
の良好な成形品が得られるようになる。As shown and described above, according to the mixing method and the mixing apparatus of the present invention, it is possible to efficiently and uniformly mix the mixing material containing the glass fiber. Further, if the molding material obtained by the mixing is used for compression molding or the like, a molded product having a constant quality and a good appearance can be obtained.
【図１】この発明の一実施例に係る混合装置の平面図で
ある。FIG. 1 is a plan view of a mixing device according to an embodiment of the present invention.
【図２】その装置を用いて混合する際を示す２−２断面
図である。FIG. 2 is a cross-sectional view taken along line 2-2 showing mixing using the apparatus.
【図３】この発明の他の実施例の攪拌羽根を示す斜視図
である。FIG. 3 is a perspective view showing a stirring blade of another embodiment of the present invention.
【図４】従来技術による混合を示す断面図である。FIG. 4 is a cross-sectional view showing prior art mixing.
１０ 混合装置 １１ 混合容器 １３ 混合室 ２１ 攪拌羽根 ２３ 回転軸 Ｇ 混合用材料 10 Mixing device 11 Mixing container 13 Mixing chamber 21 Stirring blade 23 Rotating shaft G Mixing material
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｂ 17/00 9350−4Ｆ // Ｂ２９Ｋ 75:00 105:06 309:08 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI technical display location B29B 17/00 9350-4F // B29K 75:00 105: 06 309: 08
Claims (2)
に、回転する二つの攪拌羽根を回転軸がほぼ水平方向と
なるよう並列させて設け、前記混合室内にガラス繊維を
含む混合用材料を投入し、前記攪拌羽根の回転により混
合用材料を上方へかき上げて混合させることを特徴とす
るガラス繊維を含む混合用材料の混合方法。1. A mixing material containing two glass fibers in a mixing container having a mixing chamber formed therein, the rotating stirring blades being arranged in parallel with each other so that the rotation axes are substantially horizontal. And a mixing material is scraped upward by the rotation of the stirring blade to mix the material, and the mixing material containing glass fibers is mixed.
に、回転する二つの攪拌羽根を回転軸がほぼ水平方向と
なるように並列して設けたことを特徴とするガラス繊維
を含む混合用材料の混合装置。2. A mixing vessel containing glass fibers, characterized in that two rotating stirring blades are provided in parallel in a mixing vessel having a mixing chamber formed therein so that the axes of rotation are substantially horizontal. Material mixing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32121593A JPH07144320A (en) | 1993-11-25 | 1993-11-25 | Method and device for mixing material containing glass fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32121593A JPH07144320A (en) | 1993-11-25 | 1993-11-25 | Method and device for mixing material containing glass fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07144320A true JPH07144320A (en) | 1995-06-06 |
Family
ID=18130096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32121593A Pending JPH07144320A (en) | 1993-11-25 | 1993-11-25 | Method and device for mixing material containing glass fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07144320A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007021446A (en) * | 2005-07-21 | 2007-02-01 | Inoac Corp | Method and apparatus for applying adhesive to particulate material |
| CN103316607A (en) * | 2013-07-09 | 2013-09-25 | 张家港市春泰环保机械工程有限公司 | Stirring shaft drive in kitchen waste treatment equipment |
-
1993
- 1993-11-25 JP JP32121593A patent/JPH07144320A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007021446A (en) * | 2005-07-21 | 2007-02-01 | Inoac Corp | Method and apparatus for applying adhesive to particulate material |
| CN103316607A (en) * | 2013-07-09 | 2013-09-25 | 张家港市春泰环保机械工程有限公司 | Stirring shaft drive in kitchen waste treatment equipment |
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