JP3783067B2

JP3783067B2 - Horizontal agitator

Info

Publication number: JP3783067B2
Application number: JP05092896A
Authority: JP
Inventors: 村允彦中; 建華楊
Original assignee: 玉川マシナリー株式会社
Priority date: 1996-02-14
Filing date: 1996-02-14
Publication date: 2006-06-07
Anticipated expiration: 2016-02-14
Also published as: JPH09222281A

Description

【０００１】
【発明の属する技術分野】
本発明は、横型容器内の内容物を撹拌する撹拌機、例えば、ペレット状、泥状、粉体等の湿原料を撹拌乾燥する乾燥機に用いる横型撹拌機に関する。
【０００２】
【従来の技術】
本出願人は先に特願平６−３０８２２号（特開平７−２１８１３９号）として図４〜図６に示す横型撹拌機を提案した。
図４において１は横置きの円筒状のケーシング、２はこのケーシング１の軸心部に設けられた撹拌軸で、円筒状のケーシング１や他のフレームに両端が支持され、図示しないモータに接続されて正逆回転するようにになっていた。
図において、３は撹拌軸２に対して傾斜面３ａを有する平板状撹拌羽根、４はこの平板状撹拌羽根３と反対方向の傾斜面４ａを有すると共に、撹拌軸２に対する平行面４ｂと垂直面４ｃとを有し、傾斜面４ａを第１の辺、平行面４ｂを第２の辺、垂直面４ｃを第３の辺として３つの辺で三角形を形成する三角状撹拌羽根である。
【０００３】
そして、平板状撹拌羽根３と三角状撹拌羽根４とは、撹拌軸２の軸心と略垂直で対称な位置にケーシング１の内壁円周方向に延びる一対のアームが立設され、先端には撹拌軸２に対し略４５度で平板状撹拌羽根３の傾斜面３ａが取り付けられ、三角状撹拌羽根４が傾斜面４ａを傾斜面３ａと反対方向の略４５度の角度で取り付けられていた。
【０００４】
図５及び図６は図４の（ａ）の撹拌羽根の取付位置を示す展開図で、図５における実線の矢印Ｘは撹拌時（ケーシング１はジャケットになっており熱媒体が通っている）の回転方向を示し、図６における破線の矢印Ｙは排出時の回転方向を示し、排出時には図６に破線の矢印Ａで示すようにケーシング１の略中央の下部の排出口から排出されるようになっていた。
【０００５】
図５に基づき撹拌時の内容物の動きを説明すると、撹拌軸２を矢印Ｘ方向つまりｂ方向に回転すると、内容物は平板状撹拌羽根３により右方向ａ及び回転方向ｂに送られるようになっていた。また、内容物は三角状撹拌羽根４の傾斜面４ａにより回転方向ｂに送られると同時に、前記ａ方向と逆方向ｃに送られるようになっていた。従って、内容物は平板状撹拌羽根３と三角状撹拌羽根４との間を往復するから、十分に攪拌することができた。また、一方回転だけを続けても内容物が部分的に集中したり片寄ることがないので、全体に亘って均一となり、均一かつ充分な撹拌及び伝熱作用を得ることができた。
【０００６】
次に、図６に基づき排出時の内容物の動きを説明すると、撹拌軸２を矢印Ｙ方向つまりｄ方向に回転すると、内容物は平板状撹拌羽根３により左方向ｃ及び回転方向ｄに送られるようになっていた。また内容物は三角状撹拌羽根４の撹拌軸２と平行な面４ｂにより回転方向ｄに送られるだけであった。
従って、内容物は、平板状撹拌羽根３によりｃ方向に送られる。前記の説明は撹拌軸２の左右の略中央から右の場合を説明した。しかし、この実施の形態では、略中央から左側は右側とは撹拌羽根の向きが反対となっているので内容物は右方向ａへ送られる。
従って、内容物はケーシング１の略中央から矢印Ａに示すようにケーシング１の下部排出口から排出されるようになっていた。
【０００７】
但し、撹拌羽根の向きを全部図６の中央から左側の状態に配列すると、内容物は右端から排出され、中央から右側の状態に配列すると内容物は左端から排出されるようになっていた。
【０００８】
【発明が解決しようとする課題】
しかるに、前記従来の横型撹拌機は、排出時においては平板状撹拌羽根が軸方向への排出作用をするだけで三角状撹拌羽根にはその作用がなかったので排出量が少なく排出速度が遅いという欠点があった。
【０００９】
本発明は前述した事情に鑑みてなされたものであり、三角状撹拌羽根にも排出作用（横送り機能）をもたせることにより、従来より排出速度が速く、従来より大量ずつ排出可能な横型撹拌機を提供せんとするものである。
【００１０】
【課題を解決するための手段】
本発明の横型撹拌機は、横置きの円筒状のケーシングの軸心部に撹拌軸を回動自在に支持し、この撹拌軸の軸心と略垂直で対称な位置に前記ケーシングの内壁円周方向に延びるアームを立設し、このアームの先端に前記撹拌軸に対し傾斜面を有する平板状撹拌羽根と、第１の辺が前記平板状撹拌羽根と反対方向の傾斜面を有し、第２の辺が前記平板状撹拌羽根と同一の傾斜面を有し、第３の辺が撹拌軸に対し垂直面をそれぞれ有する三角状撹拌羽根とを取り付け、前記対称位置の平板状撹拌羽根と三角状撹拌羽根とを略９０度円周方向にずらした状態で所定の間隔で軸方向へ配設した構造である。
【００１１】
また、本発明の横型撹拌機の平板状撹拌羽根の傾斜面及び三角状撹拌羽根の第２の辺の傾斜面は、内容物の排出口に最も近い撹拌軸の部位から左右の方向へ、それぞれ反対の傾斜をなして、撹拌時と逆方向に回転した時に内容物を排出口方向に押し出すように配設されている。
【００１２】
また、内容物の排出口に最も近い撹拌軸の部位が撹拌軸の端部となる場合は、本発明の横型撹拌機の平板状撹拌羽根の傾斜面及び三角状撹拌羽根の第２の辺の傾斜面は、撹拌軸の一方端から他方端へ同一方向の傾斜をなして配設されている。
【００１３】
さらに、本発明の横型撹拌機の撹拌軸、平板状撹拌羽根及び三角状撹拌羽根のアームは内部に熱媒体が供給可能に構成されている。
【００１４】
【発明の実施の形態】
以下添付図に基づいて本発明の実施の形態を説明する。
図１は本発明の一実施の形態を示す横型撹拌機の撹拌羽根の取付位置を示す展開図、図２は本発明の一実施の形態を示す三角状羽根の図で（ａ）は側面を（ｂ）は平面を示し、図３は本発明の一実施の形態を示す撹拌時及び排出時における作用説明図である。
【００１５】
本発明の横型撹拌機の全体構造は、従来と同じく、横置きの円筒状のケーシング１（図２）の軸心部に撹拌軸２（図２）がケーシング１または図示しないフレームの軸受に回動自在に支持されたものである。
撹拌軸２には平板状撹拌羽根１３と三角状撹拌羽根１４とが所定の間隔で立設されている（この構造も従来例と同じである）。本発明の構成で従来例と相違する部分は、三角状撹拌羽根１４の形状であって、従来の三角状撹拌羽根４は第２の辺が撹拌軸２に対して平行な平行面４ｂで形成されているが、本発明の三角状撹拌羽根１４は第２の辺が平板状撹拌羽根１３の傾斜面１３ａと同一の傾斜の傾斜面１４ｂで形成されていることである。
【００１６】
第１の辺１４ａは従来例と同じく平板状撹拌羽根１３と反対方向の傾斜面１４ａを有し、第３の辺も従来例と同じく撹拌軸２に対し垂直面１４ｃを有している。
三角状撹拌羽根１４は三辺の前記条件を満足させるため本実施の態様では正角形に形成され、第１の辺の傾斜面１４ａは撹拌軸２の軸心に対しθ＝３０度でアーム１６に取り付けられている。
そして、平板状撹拌羽根１３も撹拌軸２の軸心に対する傾斜が３０度でアーム１５に取り付けられている。
但し、三角状撹拌羽根１３の第３の辺が垂直面であれば第１の辺と第２の辺は３０度以外の角度にすることもできるし、平板状撹拌羽根１３の傾斜面も３０度以外の角度にすることもできる。
【００１７】
本実施の態様においては、図１に示すように、平板状撹拌羽根１３と三角状撹拌羽根１４の一対が撹拌軸２の軸心と略垂直で対称な位置に取り付けられ、かつ、略９０度円周方向にずらした状態で所定の間隔で軸方向へ配設されている。
但し、本実施の態様のように撹拌羽根を同一円周に一対配設せず、３個以上配設し、これを順次隣の撹拌羽根間にずらした状態で所定の間隔で配設してもよい。
【００１８】
図１は排出時にケーシング１の略中央から矢印Ａに示すように内容物が排出されるように、撹拌軸２の略中央から左右の撹拌羽根の向きが反対になった例であるが、撹拌羽根の向きを同方向とし、ケーシング１の左端または右端から排出されるよう構成しても良い。
【００１９】
図３に基づいて撹拌羽根の作用を説明すると、撹拌時には、Ｘ方向に撹拌軸２を回転させると、左側の撹拌羽根１３，１４は実線矢印で示すように内容物を回転方向ｂと、左右方向ｃ，ａへ押しやる。同様に右側の撹拌羽根１３，１４は内容物を回転方向ｂと、左右方向ｃ，ａに押しやる。従って、内容物の送りは相殺され、内容物は略同じ円弧上（ピッチ）で左右に揺動されて攪拌される。
【００２０】
次に、排出時には、Ｙ方向に撹拌軸２を回転させると、左側の撹拌羽根１３，１４は破線矢印で示すように内容物を回転方向ｄと、右方向ａへ押しやる。同様に右側の撹拌羽根１３，１４は内容物を回転方向ｄと、左方向ｃへ押しやる。従って内容部は中央部方向へ送られ中央部から破線Ａで示すように外方へ排出され、下部の排出口から排出される。
【００２１】
【発明の効果】
以上詳細に説明したように本発明によると、下記のような効果を奏するものである。
(1) 従来の横型撹拌機では、排出時に内容物を、軸方向に送る作用は、平板状撹拌羽根にしかないが、本発明では、平板状撹拌羽根だけでなく三角状撹拌羽根も内容物を軸方向に送る作用があるので、単位時間当りの排出量が増加するので、能率が向上する（請求項１，２及び３）。
【００２２】
(2) ケーシングのジャケットだけでなくアーム内部にも熱媒体を通すことができるので、内容物の乾燥能力が向上する（請求項４）。
【図面の簡単な説明】
【図１】本発明の一実施の形態を示す横型撹拌機の撹拌羽根の取付位置を示す展開図である。
【図２】本発明の一実施の形態を示す三角状羽根の図で、（ａ）は側面を（ｂ）は平面を示す。
【図３】本発明の一実施の形態を示す撹拌時及び排出時における撹拌羽根の作用説明図である。
【図４】従来の横型撹拌機の図で、（ａ）は平面を（ｂ）は側面を示す。
【図５】撹拌羽根の取付位置を示す展開図で、撹拌時の状態を示す。
【図６】撹拌羽根の取付位置を示す展開図で、排出時の状態を示す。
【符号の説明】
１ケーシング
２撹拌軸
１３平板状撹拌羽根
１４三角状撹拌羽根
１４ａ傾斜面（第１の辺）
１４ｂ傾斜面（第２の辺）
１４ｃ垂直面（第３の辺）
１５，１６アーム[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a stirrer that stirs the contents in a horizontal container, for example, a horizontal stirrer that is used in a drier that stirs and dries wet raw materials such as pellets, mud, and powder.
[0002]
[Prior art]
The present applicant has previously proposed a horizontal stirrer shown in FIGS. 4 to 6 as Japanese Patent Application No. 6-30822 (Japanese Patent Laid-Open No. 7-218139).
In FIG. 4, 1 is a horizontal cylindrical casing, 2 is an agitation shaft provided at the axial center of the casing 1, and both ends are supported by the cylindrical casing 1 and other frames and connected to a motor (not shown). It was supposed to rotate forward and backward.
In the figure, 3 is a flat stirring blade having an inclined surface 3 a with respect to the stirring shaft 2, 4 has an inclined surface 4 a opposite to the flat stirring blade 3, and a plane perpendicular to the parallel surface 4 b to the stirring shaft 2. 4c, and the inclined surface 4a is the first side, the parallel surface 4b is the second side, and the vertical surface 4c is the third side.
[0003]
The flat stirring blade 3 and the triangular stirring blade 4 are each provided with a pair of arms extending in the circumferential direction of the inner wall of the casing 1 at a position that is substantially perpendicular to the axis of the stirring shaft 2 and symmetrical. The inclined surface 3a of the flat plate-like stirring blade 3 was attached to the stirring shaft 2 at approximately 45 degrees, and the triangular stirring blade 4 was attached to the inclined surface 4a at an angle of approximately 45 degrees opposite to the inclined surface 3a.
[0004]
5 and 6 are development views showing the mounting position of the stirring blade of FIG. 4A, and the solid line arrow X in FIG. 5 is during stirring (the casing 1 is a jacket and the heat medium passes). 6 indicates the direction of rotation during discharge, and during discharge, as indicated by the broken line arrow A in FIG. It was.
[0005]
The movement of the contents during stirring will be described with reference to FIG. 5. When the stirring shaft 2 is rotated in the arrow X direction, that is, in the b direction, the contents are sent by the flat stirring blade 3 in the right direction a and the rotation direction b. It was. In addition, the contents are sent in the rotation direction b by the inclined surface 4a of the triangular stirring blade 4 and simultaneously in the direction c opposite to the a direction. Therefore, since the contents reciprocated between the flat stirring blade 3 and the triangular stirring blade 4, the contents could be sufficiently stirred. Further, even if only one rotation is continued, the contents are not partially concentrated or offset, so that the contents are uniform throughout, and uniform and sufficient stirring and heat transfer can be obtained.
[0006]
Next, the movement of the contents during discharge will be described with reference to FIG. 6. When the stirring shaft 2 is rotated in the arrow Y direction, that is, in the d direction, the contents are fed in the left direction c and the rotation direction d by the flat stirring blade 3. It was supposed to be. Further, the contents were only sent in the rotational direction d by the surface 4 b parallel to the stirring shaft 2 of the triangular stirring blade 4.
Therefore, the contents are fed in the c direction by the flat stirring blade 3. In the above description, the case where the stirring shaft 2 is on the right side from the approximate center on the right and left sides has been described. However, in this embodiment, since the direction of the stirring blade is opposite to the right side from the substantially central left side, the contents are sent in the right direction a.
Therefore, the contents are discharged from the lower outlet of the casing 1 as shown by the arrow A from the approximate center of the casing 1.
[0007]
However, if all the stirring blades are arranged from the center to the left side in FIG. 6, the contents are discharged from the right end, and if they are arranged from the center to the right side, the contents are discharged from the left end.
[0008]
[Problems to be solved by the invention]
However, in the conventional horizontal agitator, the plate-like stirring blades only discharge in the axial direction at the time of discharging, and the triangular stirring blades have no such action, so the discharge amount is small and the discharging speed is slow. There were drawbacks.
[0009]
The present invention has been made in view of the above-mentioned circumstances, and by providing a triangular stirring blade also with a discharge action (transverse feed function), a horizontal stirrer that has a higher discharge speed than conventional ones and can discharge a large amount of conventional ones. Is intended to provide.
[0010]
[Means for Solving the Problems]
The horizontal stirrer of the present invention rotatably supports a stirring shaft on the axial center portion of a horizontal cylindrical casing, and the inner wall circumference of the casing is at a position substantially perpendicular to the axial center of the stirring shaft. A flat stirring blade having an inclined surface with respect to the stirring shaft at the tip of the arm, a first side having an inclined surface in the opposite direction to the flat stirring blade, A triangular stirring blade having two sides having the same inclined surface as the flat stirring blade and a third side having a plane perpendicular to the stirring axis is attached, and the flat stirring blade and the triangular shape at the symmetrical position are attached. This is a structure in which the agitating blades are arranged in the axial direction at a predetermined interval in a state of being shifted in the circumferential direction by approximately 90 degrees.
[0011]
Moreover, the inclined surface of the flat stirring blade of the horizontal stirrer of the present invention and the inclined surface of the second side of the triangular stirring blade are respectively left and right from the portion of the stirring shaft closest to the content outlet. It is arranged so as to push the contents in the direction of the discharge port when it is rotated in the opposite direction to that during stirring with an opposite inclination.
[0012]
Further, when the portion of the stirring shaft closest to the content outlet is the end of the stirring shaft, the inclined surface of the flat stirring blade and the second side of the triangular stirring blade of the horizontal stirrer of the present invention The inclined surface is arranged with an inclination in the same direction from one end of the stirring shaft to the other end.
[0013]
Furthermore, the stirring shaft of the horizontal stirrer of the present invention, the flat stirring blades, and the arms of the triangular stirring blades are configured to be able to supply a heat medium therein.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a development view showing a mounting position of a stirring blade of a horizontal stirrer showing an embodiment of the present invention, FIG. 2 is a view of a triangular blade showing an embodiment of the present invention, and FIG. (B) shows a plane, FIG. 3 is an explanatory view of the action at the time of stirring and discharging, showing an embodiment of the present invention.
[0015]
The overall structure of the horizontal stirrer of the present invention is the same as in the prior art, in which the stirring shaft 2 (FIG. 2) rotates around the axial center portion of the horizontal cylindrical casing 1 (FIG. 2) around the casing 1 or a frame bearing (not shown). It is supported freely.
A flat stirring blade 13 and a triangular stirring blade 14 are erected on the stirring shaft 2 at a predetermined interval (this structure is also the same as the conventional example). In the configuration of the present invention, the portion different from the conventional example is the shape of the triangular stirring blade 14, and the conventional triangular stirring blade 4 is formed by a parallel surface 4 b whose second side is parallel to the stirring shaft 2. However, the triangular stirring blade 14 of the present invention is that the second side is formed by the inclined surface 14 b having the same inclination as the inclined surface 13 a of the flat stirring blade 13.
[0016]
The first side 14a has an inclined surface 14a opposite to the flat stirring blade 13 as in the conventional example, and the third side also has a vertical surface 14c with respect to the stirring shaft 2 as in the conventional example.
In the present embodiment, the triangular stirring blade 14 is formed in a regular square shape in order to satisfy the above-mentioned conditions of the three sides, and the inclined surface 14a of the first side is θ = 30 degrees with respect to the axis of the stirring shaft 2 and the arm 16 Is attached.
The flat stirring blade 13 is also attached to the arm 15 at an inclination of 30 degrees with respect to the axis of the stirring shaft 2.
However, if the third side of the triangular stirring blade 13 is a vertical surface, the first side and the second side can be at angles other than 30 degrees, and the inclined surface of the flat stirring blade 13 is also 30. Angles other than degrees can be used.
[0017]
In the present embodiment, as shown in FIG. 1, a pair of the flat stirring blade 13 and the triangular stirring blade 14 is attached at a position that is substantially perpendicular to the axis of the stirring shaft 2 and symmetrical, and is approximately 90 degrees. They are arranged in the axial direction at predetermined intervals while being shifted in the circumferential direction.
However, as in the present embodiment, a pair of stirring blades are not provided on the same circumference, but three or more stirring blades are provided, and these are arranged at predetermined intervals while being sequentially shifted between adjacent stirring blades. Also good.
[0018]
FIG. 1 shows an example in which the directions of the left and right stirring blades are reversed from the approximate center of the stirring shaft 2 so that the contents are discharged from the approximate center of the casing 1 as indicated by an arrow A during discharging. You may comprise so that it may discharge | emit from the left end or right end of the casing 1 by making the direction of a blade | wing into the same direction.
[0019]
The operation of the stirring blade will be described with reference to FIG. 3. When the stirring shaft 2 is rotated in the X direction at the time of stirring, the left stirring blades 13 and 14 move the contents in the rotational direction b and the left and right as indicated by solid arrows. Push in directions c and a. Similarly, the right stirring blades 13 and 14 push the contents in the rotation direction b and the left and right directions c and a. Accordingly, the feeding of the contents is canceled, and the contents are swung left and right on substantially the same arc (pitch) and stirred.
[0020]
Next, when the agitation shaft 2 is rotated in the Y direction at the time of discharging, the left agitation blades 13 and 14 push the contents in the rotation direction d and the right direction a as indicated by broken line arrows. Similarly, the right stirring blades 13 and 14 push the contents in the rotation direction d and the left direction c. Therefore, the content portion is sent in the direction of the central portion, discharged from the central portion to the outside as indicated by the broken line A, and discharged from the lower discharge port.
[0021]
【The invention's effect】
As described above in detail, according to the present invention, the following effects can be obtained.
(1) In the conventional horizontal stirrer, the action of feeding the contents in the axial direction at the time of discharge is limited to the flat stirring blades, but in the present invention, not only the flat stirring blades but also the triangular stirring blades Since there is an action of feeding in the axial direction, the amount of discharge per unit time increases, so that the efficiency is improved (claims 1, 2 and 3).
[0022]
(2) Since the heat medium can be passed not only through the jacket of the casing but also inside the arm, the ability to dry the contents is improved (claim 4).
[Brief description of the drawings]
FIG. 1 is a development view showing a mounting position of a stirring blade of a horizontal stirrer showing an embodiment of the present invention.
FIG. 2 is a diagram of a triangular blade showing an embodiment of the present invention, where (a) shows a side surface and (b) shows a plane.
FIG. 3 is a diagram for explaining the operation of the stirring blades during stirring and discharging according to an embodiment of the present invention.
FIG. 4 is a diagram of a conventional horizontal stirrer, in which (a) shows a plane and (b) shows a side.
FIG. 5 is a development view showing a mounting position of the stirring blade, and shows a state during stirring.
FIG. 6 is a development view showing a mounting position of the stirring blade, and shows a state during discharging.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Casing 2 Agitation shaft 13 Flat stirring blade 14 Triangular stirring blade 14a Inclined surface (1st edge)
14b inclined surface (second side)
14c Vertical plane (third side)
15,16 arm

Claims

A stirring shaft is rotatably supported on the axial center of a horizontal cylindrical casing, and an arm extending in the circumferential direction of the inner wall of the casing is erected at a position that is substantially perpendicular to the axial center of the stirring shaft. A flat stirring blade having an inclined surface with respect to the stirring shaft at the tip of the arm, a first side having an inclined surface opposite to the flat stirring blade, and a second side having the flat stirring blade. A triangular stirring blade having the same inclined surface as the blade and having a third side each having a plane perpendicular to the stirring axis is attached, and the flat plate stirring blade and the triangular stirring blade at the symmetrical position are approximately 90 degrees. It is arranged in the axial direction at a predetermined interval in a state shifted in the circumferential direction , and the inclined surface of the flat stirring blade and the inclined surface of the second side of the triangular stirring blade are the most at the discharge outlet of the contents. Opposite to the time of agitation, with the opposite inclination from the position of the nearest agitation shaft to the left and right Horizontal stirring machine, characterized in that it is arranged to push the outlet direction the contents when rotated to.

When the portion of the stirring shaft closest to the content outlet is the end of the stirring shaft, the inclined surface of the flat stirring blade and the inclined surface of the second side of the triangular stirring blade are one of the stirring shafts. The horizontal stirrer according to claim 1, wherein the horizontal stirrer is disposed from one end to the other end with an inclination in the same direction.

The stirring shaft, flat stirring vanes and horizontal stirring machine according to claim 1, wherein the arms of the triangular stirring blades, characterized in that the heat medium is configured to be supplied to the inside through the main shaft.