JPS6160511A - Screw conveyor - Google Patents
Screw conveyorInfo
- Publication number
- JPS6160511A JPS6160511A JP18136984A JP18136984A JPS6160511A JP S6160511 A JPS6160511 A JP S6160511A JP 18136984 A JP18136984 A JP 18136984A JP 18136984 A JP18136984 A JP 18136984A JP S6160511 A JPS6160511 A JP S6160511A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- axis
- cross
- screw blade
- blade
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
- B65G33/265—Screws with a continuous helical surface
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は螺子羽根の形状ないしは回転軸への取付角度に
改良を加えたスクリューコンベヤに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a screw conveyor in which the shape of the screw blades or the angle at which they are attached to the rotating shaft are improved.
［従来の技術］
各種の粉粒体の輸送用装鐙として、螺旋状の螺子羽根を
設けた回転軸をケーシングに装入してなるスクリューコ
ンベヤが広く用いられている。[Prior Art] As a stirrup for transporting various types of powder and granular materials, a screw conveyor in which a rotating shaft provided with spiral screw blades is inserted into a casing is widely used.
従来の螺子羽根の形状を第２図に示す。The shape of a conventional screw blade is shown in FIG.
（ａ）図のものは、螺子羽ＪＭ１ ａの内周側の全てが
回転軸２に接しているタイプであって、穀類やセメント
、砂糖、おがくず、石炭、誠石などの輸送に用いられる
。The one in the figure (a) is of a type in which the entire inner circumferential side of the screw blade JM1a is in contact with the rotating shaft 2, and is used for transporting grains, cement, sugar, sawdust, coal, stone, etc.
（ｂ）図のものは、（ａ）図の螺子羽根１ａの羽根先端
側に、所定間隔毎にしＪ込を設けた螺子羽根１ｂを有す
るものであって、砂、砂利（大きさ２５ｍｍ以下程度の
もの）など比重の大きい物の輸送に用いられる。The one shown in (b) has a screw blade 1b with J-includes provided at predetermined intervals on the blade tip side of the screw blade 1a shown in (a), and has sand, gravel (about 25 mm or less in size). It is used to transport objects with large specific gravity such as
（Ｃ）図のものは、螺子羽根ＩＣの内周側と回転軸２と
の間に間隙が設けられているものであって、糖密、アス
ファルトなどの半流動性材料の輸送に用いられる。The one shown in (C) has a gap between the inner peripheral side of the screw blade IC and the rotating shaft 2, and is used for transporting semi-fluid materials such as molasses and asphalt.
而して、図示の如く、各螺子羽根１ａ−ｃは。Thus, as shown in the figure, each screw blade 1a-c.
回転軸２の軸心を含む断面における形状が直線状であり
、かつ回転ｔｔｈ２の軸心と直交したものとなっている
。A cross section including the axis of the rotation shaft 2 is linear and perpendicular to the axis of the rotation tth2.
［発明が解決しようとする問題点］
しかるに、本発明者の研究によれば、上記従来の如き１
回転軸軸心を含む断面における螺子羽根形状が直線状で
あり、かつ回転軸２の軸心と直交したものにおいては、
動力消費率が最小値よりも大きくなり、かつスクリュー
コンベヤへの充満率も低下し易いことが見出された。[Problems to be solved by the invention] However, according to the research of the present inventor, the above-mentioned conventional problem 1
In the case where the screw blade shape in the cross section including the rotational shaft axis is linear and perpendicular to the axis of the rotational shaft 2,
It has been found that the power consumption rate becomes larger than the minimum value and the filling rate of the screw conveyor tends to decrease.
［問題点を解決するための手段］
上記問題点を解決するために、本発明は螺旋状の螺子羽
根を設けた回転軸を有するスクリューコンベヤにおいて
、螺子羽根の少なくとも一部が１回転１ｌｄｌａＩｌ心
を含む断面において該軸心に対し、非直角であることを
特徴とするものである。[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a screw conveyor having a rotating shaft provided with spiral screw blades, in which at least a part of the screw blades has a center of 1ldlaIl per rotation. It is characterized by being non-perpendicular to the axis in the cross section that it includes.
［作用］
スクリューコンベヤにおいては、回転軸に加えた動力の
うち相当部分が運搬物と螺子羽根及びケーシングとの摩
擦により消費される。[Operation] In a screw conveyor, a considerable portion of the power applied to the rotating shaft is consumed by friction between the conveyed object, the screw blades, and the casing.
そしてこの摩擦による動力消費は、螺子羽根の形状によ
っても大いに変わり、この形状を改良することにより、
摩擦による動力消費が減少されると共に、螺子羽根の動
力が有効に運搬物に伝えられるようになる。The power consumption due to this friction varies greatly depending on the shape of the screw blade, and by improving this shape,
Power consumption due to friction is reduced, and the power of the screw blades can be effectively transmitted to the transported object.
［実施例］ 以下実施例について説明する。[Example] Examples will be described below.
第１ＵｊＪは、本発明の実施例に係るスクリューコンベ
ヤの要部の構成を示すものであり、同（５Ｌ）はケーシ
ング３を破断して示すものであり、同（ｂ）はケーシン
グを取り除いて、螺子羽根の断面形状を示すものである
。1st UjJ shows the configuration of the main parts of the screw conveyor according to the embodiment of the present invention, 5L shows the casing 3 cut away, and 1st UjJ shows the structure with the casing removed. It shows the cross-sectional shape of the screw blade.
この実施例においては、螺子羽根１ｄは１回転軸２の軸
心（図中１点鎖線で示す、第３図〜第７図において同様
、）を含む断面において直線状であり、かつ該軸心と非
直角になっている０図中りは該軸心との垂直線を示し、
θは螺子羽根１ｄの垂直線りからの角度を示している。In this embodiment, the screw blade 1d is linear in a cross section including the axial center of the one-rotation shaft 2 (indicated by a dashed line in the figure, the same is true in FIGS. 3 to 7), and the axial center is The center line in Figure 0 that is not perpendicular to the axis indicates a line perpendicular to the axis,
θ indicates the angle of the screw blade 1d from the vertical line.
本実施例において回転軸２を右方向（図において１回転
＠ｔ１２を下から見た状態において時計回りとなる方向
）に回転すれば、２［！搬物は図において上方に移動さ
れる。In this embodiment, if the rotating shaft 2 is rotated to the right (in the figure, one rotation @t12 is clockwise when viewed from below), 2[! The object is moved upwards in the figure.
而して、螺子羽根１ｄが、回転軸２の軸心を含む断面に
おいて、運搬物の移動方向に傾斜しているので、Ｍｉ搬
物に対し移動方向への分力（軸方向分力）を付与する。Since the screw blade 1d is inclined in the moving direction of the transported object in the cross section including the axis of the rotating shaft 2, it exerts a component force in the moving direction (axial component force) on the Mi transported object. Give.
一般に、スクリューコンベヤにおいては、運搬物は１回
転軸の回転に伴ってケーシング３内を螺旋状に回転し遠
心力が付与され、これによりケーシング３内周面に押し
付けられ、該内周面との間の摩擦が大きくなっていた０
本実施例によれば、前述のように、螺子羽根１ｄの傾斜
による＠＋＋方向分力が運搬物に付与されるので、上記
遠心力が減少され、これにより上記運搬物とケーシング
内周面との摩擦が減少される。Generally, in a screw conveyor, the conveyed object rotates in a spiral shape inside the casing 3 with the rotation of the rotation shaft, and centrifugal force is applied to the conveyed object. There was growing friction between
According to this embodiment, as described above, the force in the @++ direction due to the inclination of the screw blade 1d is applied to the transported object, so the centrifugal force is reduced, and this causes the damage between the transported object and the inner circumferential surface of the casing. friction is reduced.
本実施例は、運搬物の遠心力が大きい場合に適用すると
好適である。This embodiment is suitable for application when the centrifugal force of the transported object is large.
なお、第１図の実施例では、螺子羽根１ｄは運搬物の移
動方向に傾斜しているが、本発明においては、第１図（
ｅ）に示す様に、運搬物の移シＪ方向と反対の側に螺子
羽根Ｉ’ｄを傾斜させても良い。In the embodiment shown in FIG. 1, the screw blade 1d is inclined in the moving direction of the transported object, but in the present invention,
As shown in e), the screw blade I'd may be inclined toward the side opposite to the direction J of transferring the transported object.
このようにすれば、螺子羽根ｌ′ｄの移動方向側の羽根
面に当る運搬物を後流側へ逃す作用が生じるので、螺子
羽根との摩擦の極めて大きなものや、運搬物の遠心力の
小さい場合に適用すると好適である。In this way, the conveyed object that hits the blade surface on the moving direction side of the screw blade l'd will be released to the downstream side, so it will be possible to release the conveyed object to the downstream side. It is suitable for application to small cases.
第３図〜第７図はそれぞれ本発明の異なる実施例に係る
スクリューコンベヤの螺子羽根１ｅ〜１ｉの形状を示す
ものである。3 to 7 show the shapes of screw blades 1e to 1i of screw conveyors according to different embodiments of the present invention, respectively.
第３図の実施例では、回転６１１２の軸心を含む断面に
おいて、螺子羽根１ｅは、その羽根先端側が運搬物の移
動方向に折曲した略〈字形状とされている。なお、螺子
羽根１ｅの回転軸２への付根側は回転軸２の軸心を含む
断面において、該軸心に対して垂直である。In the embodiment shown in FIG. 3, in a cross section including the axis of rotation 6112, the screw blade 1e has a substantially 〈-shaped shape with its blade tip side bent in the moving direction of the transported object. Note that the root side of the screw blade 1e on the rotating shaft 2 is perpendicular to the axial center of the rotating shaft 2 in a cross section including the axial center.
第４図の実施例においては７回転軸２の軸心を含む断面
において、螺子羽根１ｆの付根側は、該軸心に対して、
運搬物移動方向と反対の側に傾斜し、かつ螺子羽根ｉｆ
の羽根先端側は、運搬物移動方向に＃Ｉ斜している。In the embodiment shown in FIG. 4, in the cross section including the axis of the seven-rotation shaft 2, the root side of the screw blade 1f is
If the blade is inclined to the side opposite to the direction of movement of the transported object and has a screw blade
The tip side of the blade is inclined #I in the direction of movement of the transported object.
第５図の実施例においては、回転軸２のｆｉｌ＋心を含
む断面において、螺子羽根ｔＨの付根側が２１！搬物移
動方向に傾斜しており１羽根先端側は１該軸心と垂直で
ある。In the embodiment shown in FIG. 5, in the cross section including the fil+ center of the rotating shaft 2, the root side of the screw blade tH is 21! It is inclined in the direction of movement of the conveyance, and the tip side of one blade is perpendicular to the axis.
第６図の実施例においては、螺子羽根１ｈは回転軸２の
軸心を含む断面において、羽根先端側が、運搬物の移動
方向へ緩く湾曲しており、羽根の付根側は該軸心に対し
、はぼ垂直となっている。これらの第３図〜第６図の実
施例においても、運搬物は螺子羽根１ｅ〜１ｈから軸方
向分力を付与されるので、ケーシング内周面に押し付け
る遠心力が低減され、このケーシング内周面とのａ！擦
による動力消費が小さくなる。In the embodiment shown in FIG. 6, the screw blade 1h has a blade tip side that is gently curved in the direction of movement of the transported object in a cross section that includes the axis of the rotating shaft 2, and a blade root side that is curved gently in the direction of movement of the transported object. , is almost vertical. In the embodiments shown in FIGS. 3 to 6, the axial component force is applied to the conveyed object from the screw blades 1e to 1h, so that the centrifugal force pressing against the inner circumferential surface of the casing is reduced, and the inner circumferential surface of the casing is A with the face! Power consumption due to friction is reduced.
而して、第１図（＆）、（ｂ）の実施例と同様に、螺子
羽根と運搬物との１％擦が小さい場合に適用するに好適
である。Therefore, like the embodiments shown in FIGS. 1(&) and (b), this embodiment is suitable for application when the 1% friction between the screw blades and the transported object is small.
さらに、第１図（＆）、（ｂ）及び第３図〜第６図のス
クリューコンベヤを鉛直又は鉛直に近い姿勢に保持して
匝１ｖ物の移動を行う場合には、螺子羽根１ｄ〜１ｈか
ら運ｉｎ物に付与される［−記の軸方向分力はヒ方への
揚力としても作用するので、運搬能力が増大するという
効果がある。Furthermore, when the screw conveyor shown in Figs. 1(&), (b) and Figs. 3 to 6 is held in a vertical or near-vertical position to move a 1v container, the screw blades 1d to 1h are The axial component force (-) applied to the transported object also acts as a lifting force toward the rear, which has the effect of increasing the carrying capacity.
第７図は本発明のさらに異なる実施例に係る螺子羽根゛
ＩＩの断面形状を示すものである。FIG. 7 shows a cross-sectional shape of a screw blade II according to still another embodiment of the present invention.
この実施例に゛おいては、螺子羽根１１は回転軸２の６
ｂ心を含む断面において緩く湾曲しており、湾曲の凸面
は１．［！搬物の移動方向となっている。In this embodiment, the screw blade 11 is located at the 6th axis of the rotating shaft 2.
It is gently curved in the cross section including the b center, and the convex surface of the curve is 1. [! This is the direction of movement of the cargo.
この実施例においては、第１図（Ｃ）の実施例と同様に
、螺子羽根と運搬物との摩擦が大きい場合に適用すると
好適である。Similar to the embodiment shown in FIG. 1(C), this embodiment is suitable for application when the friction between the screw blades and the object to be transported is large.
上記実施例は本発明の一例であるから１本発１１は上記
図示のものに限定されるものではない０例えば第３図〜
第７図の実施例において、螺子羽根の回転軸２の軸心を
含む断面における形状を、該軸心と垂直な線りを挟んで
対象となるようにしても良い。Since the above-mentioned embodiment is an example of the present invention, the 1-shot 11 is not limited to what is shown in the above-mentioned drawings.
In the embodiment shown in FIG. 7, the shape of the screw blade in a cross section including the axis of the rotating shaft 2 may be symmetrical with respect to a line perpendicular to the axis.
また、２枚以上の螺子羽根を一つの回転４１１１に設け
るようにしても良いことは明らかである。さらに、第２
図（ｂ）、（ｃ）の如く、螺子羽根の先端に切込を設け
ても良く、螺子羽根の内周側と回転軸との間に間隙を設
けても良い。Furthermore, it is clear that two or more screw blades may be provided in one rotation 4111. Furthermore, the second
As shown in FIGS. (b) and (c), a notch may be provided at the tip of the screw blade, and a gap may be provided between the inner peripheral side of the screw blade and the rotating shaft.
［発明の効果］
以上詳述した通り、本発明のスクリューコンベヤは１回
転軸の軸心を含む断面において、螺子羽根を該軸心に対
し非直角に設けるようにしたものであり、運搬物に付与
される遠心力による運搬物とケーシング内周面との摩擦
抵抗、運搬物と螺子羽根との摩擦抵抗等を調整でき、動
力消費率を低減することが可能となる。[Effects of the Invention] As detailed above, the screw conveyor of the present invention is such that the screw blades are provided at a non-perpendicular angle to the axial center in the cross section including the axial center of the single rotation shaft, and the conveyor is It is possible to adjust the frictional resistance between the conveyed object and the inner peripheral surface of the casing due to the applied centrifugal force, the frictional resistance between the conveyed object and the screw blade, etc., and it is possible to reduce the power consumption rate.
また、ｆｆ１ｌｆｌ物の性状に対応して、動力消費率を
低減するようにすることも可能である。It is also possible to reduce the power consumption rate in accordance with the properties of the ff1lfl object.
さらに、本発明は、このように動力消費率の低減カ可能
であるので、スクリューコンベヤ内への充満率を高くす
ることもでき、輸送能力の増大も可能とされる。また、
運搬物を鉛直方向に移動させるときの輸送能力を一層増
大することも可能である。Furthermore, since the present invention allows the power consumption rate to be reduced in this way, it is also possible to increase the filling rate into the screw conveyor and increase the transportation capacity. Also,
It is also possible to further increase the transport capacity when moving objects in the vertical direction.
第１図及び第３図〜第７図の各図は本発明の実施例を示
す断面図、第２図は従来例を示す図である。
１ａ−１ｉ、ｌ’ｄ・・・・・・螺子羽根、？・・・・
・・回転軸、
３・・・・・・ケーシング。1 and 3 to 7 are cross-sectional views showing embodiments of the present invention, and FIG. 2 is a view showing a conventional example. 1a-1i, l'd...screw blade, ?・・・・・・
...Rotating shaft, 3...Casing.
Claims (4)
ューコンベヤにおいて、 螺子羽根の少なくとも一部が、回転軸軸心を含む断面に
おいて該軸心に対し非直角であることを特徴とするスク
リューコンベヤ。(1) A screw conveyor having a rotating shaft provided with spiral screw blades, characterized in that at least a part of the screw blades is non-perpendicular to the axis of rotation in a cross section that includes the axis of the rotation shaft. conveyor.
断面は直線状であり、かつ該軸心に対して非直角である
ことを特徴とする特許請求の範囲第１項に記載のスクリ
ューコンベヤ。(2) The screw according to claim 1, characterized in that, in a cross section including the axis of the rotating shaft, the cross section of the screw blade is linear and non-perpendicular to the axis. conveyor.
断面形状はく字形に折曲したものであることを特徴とす
る特許請求の範囲第１項に記載のスクリューコンベヤ。(3) The screw conveyor according to claim 1, wherein the screw blade has a cross-sectional shape that is bent into a dogleg shape in a cross section that includes the rotational shaft center.
断面形状は湾曲したものであることを特徴とする特許請
求の範囲第１項に記載のスクリューコンベヤ。(4) The screw conveyor according to claim 1, wherein the screw blade has a curved cross-sectional shape in a cross-section including the rotational shaft center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18136984A JPS6160511A (en) | 1984-08-30 | 1984-08-30 | Screw conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18136984A JPS6160511A (en) | 1984-08-30 | 1984-08-30 | Screw conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6160511A true JPS6160511A (en) | 1986-03-28 |
Family
ID=16099517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18136984A Pending JPS6160511A (en) | 1984-08-30 | 1984-08-30 | Screw conveyor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6160511A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0937954A1 (en) * | 1998-02-19 | 1999-08-25 | Hoshizaki Denki Kabushiki Kaisha | Ice-cube releasing apparatus |
| US6113645A (en) * | 1998-04-22 | 2000-09-05 | Scientific Learning Corp. | Simulated play of interactive multimedia applications for error detection |
| US6120298A (en) * | 1998-01-23 | 2000-09-19 | Scientific Learning Corp. | Uniform motivation for multiple computer-assisted training systems |
| US6293801B1 (en) | 1998-01-23 | 2001-09-25 | Scientific Learning Corp. | Adaptive motivation for computer-assisted training system |
| WO2002042184A1 (en) * | 2000-11-23 | 2002-05-30 | Schmidt Holding Gmbh | Dispersing appliance |
| US8952862B2 (en) | 2008-11-25 | 2015-02-10 | Alcatel Lucent | Device for coupling and fastening a radiating element of an antenna and method of assembling an antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5727806A (en) * | 1980-07-21 | 1982-02-15 | Taiho Kensetsu Kk | Screw conveyor |
| JPS6125317B2 (en) * | 1980-03-12 | 1986-06-14 | Tsurumi Precision Instr |
-
1984
- 1984-08-30 JP JP18136984A patent/JPS6160511A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6125317B2 (en) * | 1980-03-12 | 1986-06-14 | Tsurumi Precision Instr | |
| JPS5727806A (en) * | 1980-07-21 | 1982-02-15 | Taiho Kensetsu Kk | Screw conveyor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6120298A (en) * | 1998-01-23 | 2000-09-19 | Scientific Learning Corp. | Uniform motivation for multiple computer-assisted training systems |
| US6293801B1 (en) | 1998-01-23 | 2001-09-25 | Scientific Learning Corp. | Adaptive motivation for computer-assisted training system |
| EP0937954A1 (en) * | 1998-02-19 | 1999-08-25 | Hoshizaki Denki Kabushiki Kaisha | Ice-cube releasing apparatus |
| US6113645A (en) * | 1998-04-22 | 2000-09-05 | Scientific Learning Corp. | Simulated play of interactive multimedia applications for error detection |
| WO2002042184A1 (en) * | 2000-11-23 | 2002-05-30 | Schmidt Holding Gmbh | Dispersing appliance |
| US8952862B2 (en) | 2008-11-25 | 2015-02-10 | Alcatel Lucent | Device for coupling and fastening a radiating element of an antenna and method of assembling an antenna |
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