WO2014147877A1 - Conveyance device - Google Patents

Conveyance device Download PDF

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Publication number
WO2014147877A1
WO2014147877A1 PCT/JP2013/077914 JP2013077914W WO2014147877A1 WO 2014147877 A1 WO2014147877 A1 WO 2014147877A1 JP 2013077914 W JP2013077914 W JP 2013077914W WO 2014147877 A1 WO2014147877 A1 WO 2014147877A1
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members
plate
spiral
conveyed
transport
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PCT/JP2013/077914
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French (fr)
Japanese (ja)
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要 三品
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第一施設工業株式会社
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Priority to JP2013057259A priority patent/JP5547320B1/en
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Publication of WO2014147877A1 publication Critical patent/WO2014147877A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G33/00Screw or rotary spiral conveyors
    • B65G33/02Screw or rotary spiral conveyors for articles
    • B65G33/04Screw or rotary spiral conveyors for articles conveyed between a single screw and guiding means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G33/00Screw or rotary spiral conveyors
    • B65G33/02Screw or rotary spiral conveyors for articles
    • B65G33/06Screw or rotary spiral conveyors for articles conveyed and guided by parallel screws

Abstract

A conveyance device is provided with: a pair of column-like members (26) which are arranged in the vertical direction; a pair of helical plate members (30) which are helically wound in the opposite directions; and a guide member which has a surface parallel to a plane including the pair of column-like members (26). The helical plate members (30) are formed by helically bending long, band plate-like members, and surfaces of the long, band plate-like members, the surfaces facing the thickness direction thereof, are disposed facing the column-like members (26) with a space therebetween. As a result of this configuration, the conveyance device has a reduced weight and is capable of being easily manufactured.

Description

搬送装置Transport device
 本発明は、箱型容器等の搬送物を上下方向に搬送するために用いられる一対の螺旋板状部材を備えた搬送装置に関するものである。 The present invention relates to a transport device including a pair of spiral plate members used for transporting a transported object such as a box-shaped container in the vertical direction.
 従来、箱型容器等の搬送物を上下方向に搬送する場合には、ベルトコンベヤ等のコンベヤを用いたコンベヤ式の搬送装置が広く利用されていた。このコンベヤ式の搬送装置は、搬送物を載せる搬送面を水平方向に対して角度をつけて設置することにより、搬送物を傾斜方向に、すなわち、搬送物を水平方向と上下方向に同時に移動させながら徐々に上下方向に搬送するようになっていた。 Conventionally, a conveyor-type transfer device using a conveyor such as a belt conveyor has been widely used in the case of transferring a transfer object such as a box-shaped container in the vertical direction. This conveyor-type transport device moves the transported object in the inclined direction, that is, moves the transported object simultaneously in the horizontal and vertical directions by installing the transport surface on which the transported object is placed at an angle with respect to the horizontal direction. However, it was gradually transported up and down.
 しかしながら、コンベヤ式の搬送装置は、その傾斜角度を大きくしすぎると搬送物を搬送することが困難となるため、その傾斜角度を小さくする必要があった。一方、その傾斜角度を小さくすると、搬送物を上下方向に搬送するために必要なコンベヤの長さが長くなり、搬送装置の水平方向の外形寸法が著しく大きくなるという問題があった。 However, it is necessary to reduce the inclination angle of the conveyor-type transfer device because it becomes difficult to transfer the conveyed product if the inclination angle is too large. On the other hand, if the inclination angle is reduced, the length of the conveyor required for transporting the conveyed product in the vertical direction is increased, and the horizontal dimension of the transport device is significantly increased.
 また、上記従来のコンベヤ式の搬送装置は、それ自体の部品点数が多いためその分異常が発生しやすく、メンテナンスの頻度も増えて、その信頼性を向上させることができないという問題や、搬送物を上下方向に搬送可能な構造にすると、その構造が複雑となるため、搬送装置の重量化を招くと共に、その製造コストが掛かり、搬送装置の高額化を招くという問題もあった。 In addition, the conventional conveyor-type transfer device has a problem that it is difficult to improve the reliability because the number of parts per se tends to increase, and the frequency of maintenance increases. If the structure is configured to be transportable in the vertical direction, the structure becomes complicated, leading to an increase in the weight of the transport apparatus, a manufacturing cost thereof, and an increase in the cost of the transport apparatus.
 また従来においては、上記コンベヤ式の搬送装置とは別に、スクリュー式の搬送装置があって、このスクリュー式の搬送装置も箱型容器等の搬送物を上下方向に搬送するのに利用されていた(特許文献1参照)。 In addition, conventionally, there is a screw-type conveyance device separately from the conveyor-type conveyance device, and this screw-type conveyance device is also used to convey a conveyance object such as a box-type container in the vertical direction. (See Patent Document 1).
 第1の従来のスクリュー式の搬送装置は、特許文献1の図1に示すように、円柱状の一対の羽根固定部が互いに平行に配置され、それらの外周面には、幅を有する長板がその長さ方向に螺旋状に形成された羽根部が巻き付けられ、その接合部が互いに溶接により一体的に固定されていた。 As shown in FIG. 1 of Patent Document 1, a first conventional screw-type conveying device includes a pair of cylindrical blade fixing portions arranged in parallel to each other, and a long plate having a width on the outer peripheral surface thereof. However, the blade part spirally formed in the length direction was wound, and the joint part was integrally fixed to each other by welding.
 この第1の従来のスクリュー式の搬送装置は、一対の羽根固定部のそれぞれが連動して互いに反対回りに回転する一対のスクリューと、この一対のスクリューの両方の軸線を含む面に略平行なガイド面を有するガイド部材により構成されていた。 In the first conventional screw-type conveying device, each of the pair of blade fixing portions interlocks and rotates in the opposite direction to each other, and substantially parallel to a plane including both axes of the pair of screws. It was comprised by the guide member which has a guide surface.
 そして、第1の従来のスクリュー式の搬送装置は、一対のスクリューそれぞれの羽根固定部から、その半径外方に向かって幅を有する羽根部の上面に搬送物を載置させて、この搬送物の一部を上記ガイド部材のガイド面に接触させた状態で、一対のスクリューを連動させて互いに反対回りに回転させることにより、搬送物を上下方向に移動させることができるようになっていた。 And the 1st conventional screw type conveyance device puts a conveyance thing on the upper surface of a blade part which has a width toward the radius outward from each blade fixed part of a pair of screws, and this conveyance thing In a state in which a part of the guide member is in contact with the guide surface of the guide member, the transported object can be moved in the vertical direction by interlocking and rotating the pair of screws counterclockwise.
 このような第1の従来のスクリュー式の搬送装置においては、上記従来のコンベヤ式の搬送装置に比べて、その外形寸法を小さくすることができ、その設置占有面積を小さくすることができると共に、その部品点数を少なくすることができ、その信頼性を向上させることができた。 In such a first conventional screw-type transport device, the outer dimensions can be reduced compared to the conventional conveyor-type transport device, the installation occupation area can be reduced, The number of parts could be reduced and the reliability could be improved.
登録実用新案第3163131号公報Registered Utility Model No. 3163131 登録実用新案第3179474号公報Registered Utility Model No. 3179474
 しかしながら、前記第1の従来のスクリュー式の搬送装置における羽根部は、幅を有する長板が螺旋状に形成されて、羽根固定部の外周面の周りに巻き付けられて溶接により一体的に固定されていたため、このような羽根部を備えたスクリューはその重量が重くなってしまい、このスクリューを備えた搬送装置の重量化を招くという問題があった。 However, the blade portion in the first conventional screw-type conveying device has a long plate having a width formed in a spiral shape, wound around the outer peripheral surface of the blade fixing portion, and integrally fixed by welding. Therefore, the screw provided with such a blade portion has a heavy weight, and there is a problem in that the conveying device including the screw is increased in weight.
 そして、スクリューの重量が重くなると、スクリューを回転させる駆動部や回転機構部に過大な負担が掛かるため、搬送装置の耐久性や信頼性を向上させることができないという問題もあった。 Further, if the weight of the screw is increased, an excessive load is applied to the drive unit and the rotation mechanism unit that rotate the screw, and thus there is a problem that the durability and reliability of the transfer device cannot be improved.
 また、前記幅を有する長板が螺旋状に形成された羽根部や、この羽根部を羽根固定部の外周面の周りに溶接することにより一体的に形成されたスクリューは、その材料費が高額になると共に、その製造には多大な労力や費用が掛かるので、その製造価格が上昇し、このスクリューを備えた搬送装置の高価格化を招くという問題もあった。 In addition, the blade portion in which the long plate having the width is formed in a spiral shape, and the screw integrally formed by welding the blade portion around the outer peripheral surface of the blade fixing portion has a high material cost. At the same time, since the manufacturing takes a great deal of labor and cost, the manufacturing price rises, and there is also a problem that the cost of the conveying device provided with the screw is increased.
 上記第1の従来のスクリュー式の搬送装置の問題を解決するために、第2の従来のスクリュー式の搬送装置が案出された(特許文献2参照)。 In order to solve the problem of the first conventional screw-type conveyance device, a second conventional screw-type conveyance device has been devised (see Patent Document 2).
 第2の従来のスクリュー式の搬送装置は、特許文献2の図1に示すように、円柱状の一対の回転柱状部材が互いに平行に配置されており、それらの周りには、断面の外形形状が略円形状の丸棒状部材を折り曲げて形成された搬送物支持部がそれらと間隔をおいて巻かれ、回転柱状部材と搬送物支持部のそれぞれと支持腕部とを溶接することにより一体的に固定されていた。 As shown in FIG. 1 of Patent Document 2, the second conventional screw-type conveying device has a pair of cylindrical columnar members arranged in parallel to each other, and a sectional outer shape around them. Is formed by bending a substantially circular round bar-shaped member, wound around them, and welding the rotating columnar member, the conveyed product support part, and the supporting arm part together. It was fixed to.
 この第2の従来のスクリュー式の搬送装置は、一対の回転柱状部材のそれぞれが連動して互いに反対回りに回転する一対のスクリューと、この一対のスクリューの両方の軸線を含む面に略平行なガイド面を有するガイド部材により構成されていた。 The second conventional screw-type transport device is substantially parallel to a plane including a pair of screws that rotate in opposite directions in conjunction with each other and a pair of screw shafts. It was comprised by the guide member which has a guide surface.
 そして、第2の従来のスクリュー式の搬送装置は、一対のスクリューそれぞれの搬送物支持部の上半円弧面に搬送物を載置させて、この搬送物の一部を上記ガイド部材のガイド面に接触させた状態で、一対のスクリューを連動させて互いに反対回りに回転させることにより、搬送物を上下方向に移動させることができるようになっていた。 And the 2nd conventional screw type conveyance device puts a conveyance thing on the upper half circular arc surface of a conveyance support part of each of a pair of screws, and guides a part of this conveyance thing to the above-mentioned guide member In a state where the pair of screws are in contact with each other, the pair of screws are interlocked and rotated counterclockwise to each other, whereby the conveyed product can be moved in the vertical direction.
 このような第2の従来のスクリュー式の搬送装置においては、上記第1の従来のスクリュー式の搬送装置に比べて、スクリューの重量を軽くすることができ、搬送装置の耐久性や信頼性を向上させることができた。 In such a second conventional screw type conveying device, the weight of the screw can be reduced compared with the first conventional screw type conveying device, and the durability and reliability of the conveying device can be reduced. I was able to improve.
 しかしながら、第2の従来のスクリュー式の搬送装置における搬送物支持部は、断面の外形形状が略円形状の丸棒状部材を螺旋状に折り曲げて形成しているため、搬送物支持部が長さを必要とする場合には、2つの螺旋状に巻かれた丸棒状部材の端面同士を溶接により接合する必要があり、その製造が容易ではなく多大な労力や費用が掛かるので、その製造価格が上昇し、この搬送物支持部を備えた搬送装置の高価格化を招くという問題があった。 However, since the conveyed product support portion in the second conventional screw-type conveyance device is formed by bending a round bar-shaped member having a substantially circular cross-sectional outer shape into a spiral shape, the conveyed object support portion is long. Is necessary, the end faces of the two round bar members wound in a spiral form must be joined together by welding, and the manufacture thereof is not easy and requires a great deal of labor and cost. There has been a problem in that the price of the transport apparatus provided with the transported object supporting portion is increased.
 そこで本発明は、上記問題点に鑑みて、搬送装置の耐久性や信頼性を向上させることができると共に、製造が容易であり、かつ搬送装置の重量化や高価格化を防止することができる搬送装置を提供することを課題とするものである。 Therefore, in view of the above problems, the present invention can improve the durability and reliability of the transport apparatus, can be easily manufactured, and can prevent the transport apparatus from becoming heavy and expensive. It is an object to provide a transport device.
 上記課題を解決するために、本発明による搬送装置は、
 上下方向に長さを有し、互いの軸線が略平行に配置された一対の柱状部材と、
 長尺の帯板状部材が折り曲げられて、螺旋巻き方向が互いに逆方向の一対の螺旋曲線に沿う螺旋状に形成されると共に、前記一対の柱状部材それぞれの周りに前記柱状部材との間に間隔をおいて、前記柱状部材とその厚さ方向の内側の面が対向するように配置された一対の螺旋板部材とを備えたことを特徴とするものである。
In order to solve the above problems, a transport apparatus according to the present invention
A pair of columnar members each having a length in the vertical direction and arranged so that their axes are substantially parallel;
A long band plate-like member is bent so that the spiral winding direction is formed in a spiral shape along a pair of spiral curves opposite to each other, and around each of the pair of columnar members, between the columnar members. The columnar member is provided with a pair of spiral plate members arranged so that the inner surfaces in the thickness direction face each other with a space therebetween.
 また、本発明による搬送装置は、
 その一端部が前記柱状部材にネジ締結により固定され、他端部が前記螺旋板部材にネジ締結により固定された複数の連結部材を備えたことを特徴とするものである。
Moreover, the conveying apparatus by this invention is
One end portion thereof is fixed to the columnar member by screw fastening, and the other end portion is provided with a plurality of connecting members fixed to the spiral plate member by screw fastening.
 また、本発明による搬送装置は、
 前記一対の柱状部材それぞれの軸線を含む面に略平行な面又は部分を有するガイド部材を備えたことを特徴とするものである。
Moreover, the conveying apparatus by this invention is
A guide member having a surface or a portion substantially parallel to a surface including an axis of each of the pair of columnar members is provided.
 このような本発明の搬送装置によれば、
 上下方向に長さを有し、互いの軸線が略平行に配置された一対の柱状部材と、
 長尺の帯板状部材が折り曲げられて、螺旋巻き方向が互いに逆方向の一対の螺旋曲線に沿う螺旋状に形成されると共に、前記一対の柱状部材それぞれの周りに前記柱状部材との間に間隔をおいて、前記柱状部材とその厚さ方向の内側の面が対向するように配置された一対の螺旋板部材とを備えたことにより、
 搬送装置の耐久性や信頼性を向上させることができると共に、製造が容易であり、かつ搬送装置の重量化や高価格化を防止することができる。
According to such a transport apparatus of the present invention,
A pair of columnar members each having a length in the vertical direction and arranged so that their axes are substantially parallel;
A long band plate-like member is bent so that the spiral winding direction is formed in a spiral shape along a pair of spiral curves opposite to each other, and around each of the pair of columnar members, between the columnar members. By providing a pair of spiral plate members arranged such that the columnar member and the inner surface in the thickness direction face each other at an interval,
The durability and reliability of the transport device can be improved, the manufacturing is easy, and the weight and cost of the transport device can be prevented.
本発明の第1の実施の形態に係る搬送装置20の正面図である。It is a front view of the conveying apparatus 20 which concerns on the 1st Embodiment of this invention. 図1における搬送装置20の、コンベヤ82,84を併せて示す側面図である。It is a side view which shows the conveyors 82 and 84 of the conveying apparatus 20 in FIG. 図1における搬送装置20のA-A線矢視断面図である。FIG. 2 is a cross-sectional view of the transport device 20 in FIG. 図1における回転構造体22の正面図である。It is a front view of the rotation structure 22 in FIG. 図4における回転構造体22の上面図である。FIG. 5 is a top view of the rotating structure 22 in FIG. 4. 図1における回転構造体24の正面図である。It is a front view of the rotation structure 24 in FIG. 図6における回転構造体24の上面図である。FIG. 7 is a top view of the rotating structure 24 in FIG. 6. 図4ないし図7における回転構造体22,24の連結部材34を示す図であって、図8(a)はその正面図、図8(b)はその右側面図である。FIGS. 8A and 8B are views showing the connecting member 34 of the rotating structures 22 and 24 in FIGS. 4 to 7, in which FIG. 8A is a front view and FIG. 8B is a right side view thereof. 図4ないし図7における回転構造体22,24の連結部材34とその近傍の各部材を拡大して示す正面図である。It is a front view which expands and shows the connection member 34 of the rotation structures 22 and 24 in FIG. 4 thru | or 7, and each member of the vicinity. 図9における連結部材34とその近傍の各部材のB-B線矢視断面図である。FIG. 10 is a cross-sectional view of the connecting member 34 in FIG. 9 and members in the vicinity thereof taken along line BB. 図1における搬送装置20が搬送物21を下方から上方に搬送する動作を説明するために参照する、搬送物21の上方から見た搬送装置20の概略図である。It is the schematic of the conveying apparatus 20 seen from the upper direction of the conveyed product 21 referred in order to demonstrate the operation | movement which the conveying apparatus 20 in FIG. 1 conveys the conveyed product 21 upwards from the downward direction. 図1における搬送装置20が搬送物21を下方から上方に搬送する動作を説明するために参照する、搬送物21の側方から見た搬送装置20の部分側面図である。FIG. 2 is a partial side view of the transfer device 20 as viewed from the side of the transfer object 21, which is referred to for explaining the operation of the transfer device 20 in FIG. 本発明の第2の実施の形態に係る搬送装置90の、コンベヤ82,84を併せて示す側面図である。It is a side view which shows collectively the conveyors 82 and 84 of the conveying apparatus 90 which concerns on the 2nd Embodiment of this invention. 図13における搬送装置90が搬送物21を上方から下方に搬送する動作を説明するために参照する、搬送物21の上方から見た搬送装置90の概略図である。FIG. 14 is a schematic view of the transfer device 90 as viewed from above the transfer object 21, which is referred to for explaining the operation of the transfer device 90 in FIG. 13 transferring the transfer object 21 from above to below. 図13における搬送装置90が搬送物21を上方から下方に搬送する動作を説明するために参照する、搬送物21の側方から見た搬送装置90の部分側面図である。FIG. 14 is a partial side view of the transfer device 90 as viewed from the side of the transfer object 21, which is referred to for explaining the operation of the transfer device 90 in FIG. 13 for transferring the transfer object 21 from above to below.
 以下、本発明に係る搬送装置の実施の形態について、図面に基づいて具体的に説明する。 Hereinafter, an embodiment of a transfer device according to the present invention will be specifically described with reference to the drawings.
 図1ないし図12は、本発明の第1の実施の形態に係る搬送装置20について説明するために参照する図である。 FIG. 1 to FIG. 12 are diagrams which are referred to for explaining the transfer device 20 according to the first embodiment of the present invention.
 本実施の形態に係る搬送装置20は、図1に示すように、図中上下方向(垂直方向)に長さを有する一対の角柱部材26,28(柱状部材)を備えている。これらの角柱部材26,28は、互いに図中左右方向に間隔をおいて平行に並んで配置されている。 As shown in FIG. 1, the transport device 20 according to this embodiment includes a pair of prismatic members 26 and 28 (columnar members) having a length in the vertical direction (vertical direction) in the drawing. These prismatic members 26 and 28 are arranged in parallel with a space in the left-right direction in the drawing.
 そして、一対の角柱部材26,28それぞれの周りには、一対の螺旋曲線のそれぞれに沿って曲げて螺旋状に形成される、帯板状の螺旋板部材30,32が、角柱部材26,28からその半径方向に一定間隔をおいて設けられている。 Then, around each of the pair of prismatic members 26, 28, band plate-like spiral plate members 30, 32 that are bent along each of the pair of spiral curves and formed in a spiral shape are prismatic members 26, 28. Are provided at regular intervals in the radial direction.
 このような一対の角柱部材26,28と、螺旋板部材30,32はそれぞれ一対の回転構造体22,24を構成し、搬送装置20は、互いに連動して互いに反対回りに回転する一対の回転構造体22,24と、この一対の回転構造体22,24それぞれの軸線を含む面に略平行なガイド面48aを有するガイド部材48とを備えて構成されている。 The pair of prismatic members 26 and 28 and the spiral plate members 30 and 32 constitute a pair of rotating structures 22 and 24, respectively, and the transport device 20 is a pair of rotations that rotate in the opposite directions in conjunction with each other. The structures 22 and 24 and a guide member 48 having a guide surface 48a substantially parallel to a surface including the axis of each of the pair of rotating structures 22 and 24 are configured.
 搬送装置20は、図1及び図2に示すように、搬送物21を上下方向に搬送するために用いられるものである。ここで、搬送物21は、長さ寸法L、幅寸法W、高さ寸法Hを有する直方体であって、底面21aを有し、その上面が開口した箱型に形成されている。 As shown in FIGS. 1 and 2, the transport device 20 is used to transport the transported object 21 in the vertical direction. Here, the conveyed product 21 is a rectangular parallelepiped having a length dimension L, a width dimension W, and a height dimension H, and has a bottom surface 21a and is formed in a box shape having an open top surface.
 図5に示すように、回転構造体22は、図中紙面に対して垂直方向に長さを有する矩形筒状に形成された角柱部材26と、この角柱部材26の外周部に一端部が固定された複数の連結部材34を有し、この複数の連結部材34の、角柱部材26の径方向外側に向かって突出した他端部それぞれには、螺旋曲線状に曲げて形成された螺旋板部材30の長さ途中の各位置が固定されている。 As shown in FIG. 5, the rotating structure 22 has a prismatic member 26 formed in a rectangular cylinder shape having a length in a direction perpendicular to the paper surface in the figure, and one end fixed to the outer periphery of the prismatic member 26. A plurality of connecting members 34, and the other end portions of the plurality of connecting members 34 projecting outward in the radial direction of the prism member 26 are formed by bending in a spiral curve. Each position in the middle of the length of 30 is fixed.
 回転構造体22の角柱部材26は、金属製であり、図10に示すように、4つの外側面26bと、複数の開口部を有する矩形筒状に形成されている。そして、角柱部材26には、4つの外側面26bのそれぞれから水平方向内側に向かって凹んで、ナット部材39をその軸線方向(同図中紙面垂直方向)に摺動可能な4つの凹部26aが形成されている。 The prismatic member 26 of the rotating structure 22 is made of metal and is formed in a rectangular cylindrical shape having four outer surfaces 26b and a plurality of openings as shown in FIG. The prism member 26 has four recesses 26a that are recessed inward in the horizontal direction from each of the four outer surfaces 26b, and that can slide the nut member 39 in the axial direction (perpendicular to the paper surface in the figure). Is formed.
 そして、角柱部材26は、図4に示すように、その軸線方向の両端部それぞれに、軸線が角柱部材26の軸線と同一直線状に配置されて、角柱部材26の軸線方向外側に伸びる軸芯部材38がネジ締結等により一体的に固定されている。 As shown in FIG. 4, the prismatic member 26 has axial axes that are arranged in the same straight line as the axial line of the prismatic member 26 at both ends in the axial direction and extend outward in the axial direction of the prismatic member 26. The member 38 is integrally fixed by screw fastening or the like.
 回転構造体22の連結部材34は、図8(a)に示すように、各々略矩形板状に形成され、互いの厚さ方向(図中左右方向)内側の端面同士が互いに対向するように配置された第1、第2端板部34a,34bと、その長さ方向(図中左右方向)の両端面が第1端板部34aと第2端板部34bのそれぞれに当接してそれらの間を繋ぐ連結板部34cを備えて構成されている。 As shown in FIG. 8A, each of the connecting members 34 of the rotating structure 22 is formed in a substantially rectangular plate shape, and end surfaces inside each other in the thickness direction (left-right direction in the figure) are opposed to each other. The disposed first and second end plate portions 34a and 34b, and both end surfaces in the length direction (left and right direction in the figure) abut against the first end plate portion 34a and the second end plate portion 34b, respectively. The connecting plate portion 34c that connects the two is provided.
 図8(b)に示すように、連結部材34の第1端板部34aには、その長さ方向(同図中上下方向)に対して垂直方向に伸びるように開口して、オネジ部材40のオネジ部が緩く挿通する長孔34dが、その長さ方向に間隔をおいて2箇所に形成されている。この長孔34dは、連結部材34の第1端板部34a(一端部)と角柱部材26との固定に用いられる。 As shown in FIG. 8B, the first end plate portion 34a of the connecting member 34 is opened so as to extend in a direction perpendicular to the length direction (vertical direction in the figure), and the male screw member 40 is formed. A long hole 34d through which the male screw portion is loosely inserted is formed in two places at intervals in the length direction. The elongated hole 34 d is used for fixing the first end plate portion 34 a (one end portion) of the connecting member 34 and the prismatic member 26.
 連結部材34の第2端板部34b(他端部)には、オネジ部材41のオネジ部が緩く挿通する貫通孔34eが形成されている。この貫通孔34eは、連結部材34の第2端板部34bと螺旋板部材30との固定に用いられる。 In the second end plate portion 34b (other end portion) of the connecting member 34, a through hole 34e through which the male screw portion of the male screw member 41 is loosely inserted is formed. The through hole 34 e is used for fixing the second end plate portion 34 b of the connecting member 34 and the spiral plate member 30.
 複数の連結部材34のそれぞれは、互いの外形形状が略同一であり、その第1端板部34aが角柱部材26の外側面26bの、上方から見た角柱部材26の軸線を中心として略90度ずつずれた位置に、円周方向に順番に配置されている。 Each of the plurality of connecting members 34 has substantially the same outer shape, and the first end plate portion 34a thereof is approximately 90 centering on the axis of the prismatic member 26 as viewed from above the outer surface 26b of the prismatic member 26. They are sequentially arranged in the circumferential direction at positions shifted by degrees.
 そして、複数の連結部材34それぞれは、図4に示すように、角柱部材26の軸線方向(図中上下方向)に互いに間隔をおいて配置されている。このため、図5に示す連結部材34それぞれの図中紙面奥側には、別の連結部材34が重なって隠れて配置されている。 Each of the plurality of connecting members 34 is disposed at intervals from each other in the axial direction (vertical direction in the drawing) of the prismatic member 26, as shown in FIG. For this reason, another connecting member 34 overlaps and is arranged behind the paper surface in the drawing of each of the connecting members 34 shown in FIG.
 図9及び図10に示すように、連結部材34の第1端板部34aは、その厚さ方向外側の端面が角柱部材26の外側面26bに接触した状態で、その長孔34dを挿通するオネジ部材40等を介して、ネジ締結により固定されることにより、角柱部材26と複数の連結部材34は一体的に構成されている。 As shown in FIGS. 9 and 10, the first end plate portion 34 a of the connecting member 34 is inserted through the long hole 34 d in a state where the end surface on the outer side in the thickness direction is in contact with the outer surface 26 b of the prismatic member 26. The prismatic member 26 and the plurality of connecting members 34 are integrally configured by being fixed by screw fastening via the male screw member 40 or the like.
 すなわち、図10に示すように、その全長にわたって外周部にオネジ部が形成されたオネジ部材40は、同図中左端部が連結部材34の第1端板部34aに形成された長孔34dを挿通して、ナット部材39のメネジ部にネジ締結されて、ナット部材39を角柱部材26の凹部26aに係止させると共に、図中右端部側の長さ途中部に平座金45とバネ座金44を通した後、ナット41のメネジ部にネジ締結されることにより、角柱部材26と複数の連結部材34は一体的に固定されている。 That is, as shown in FIG. 10, the male screw member 40 having the male screw portion formed on the outer peripheral portion over the entire length thereof has a long hole 34 d formed in the first end plate portion 34 a of the connecting member 34 at the left end portion in the same figure. The nut member 39 is screwed to the female screw portion of the nut member 39 to lock the nut member 39 in the concave portion 26a of the prism member 26, and a flat washer 45 and a spring washer 44 are arranged at the middle of the length on the right end side in the drawing. Then, the prismatic member 26 and the plurality of connecting members 34 are integrally fixed by being screwed to the female thread portion of the nut 41.
 回転構造体22の螺旋板部材30は、金属製であり、連続的に供給される長尺の帯板状部材をその素材として用いて形成されており、この帯板状部材が折り曲げ加工されることにより、図4中下方に進むにつれて、上方から見ると時計回り方向(図5中矢印方向)に巻かれた螺旋曲線状に形成されている。 The spiral plate member 30 of the rotating structure 22 is made of metal and is formed using a continuous strip-shaped member that is continuously supplied as a material, and the strip-shaped member is bent. Thus, as it proceeds downward in FIG. 4, it is formed in a spiral curve shape wound in the clockwise direction (arrow direction in FIG. 5) when viewed from above.
 ここで、螺旋状の螺旋板部材30は、その厚さ方向が上記螺旋曲線の半径方向と同一方向になるように、すなわち、帯板状部材の厚さ方向の表裏両面がそれぞれ内円弧面30c、外円弧面30dとなるように折り曲げられて形成されている。 Here, the spiral plate member 30 has a thickness direction that is the same as the radial direction of the spiral curve, that is, the front and back surfaces of the strip plate member in the thickness direction are respectively the inner arcuate surfaces 30c. The outer arc surface 30d is bent and formed.
 螺旋板部材30は、角柱部材26の軸線からの水平方向の間隔の長さ寸法が略一定であり、角柱部材26の幅寸法と搬送物21の幅寸法W(図1参照)の和の半分程度の幅寸法になっている。このため、螺旋板部材30は、図5に示すように、上方から見ると円環状に見えるようになっている。 The spiral plate member 30 has a substantially constant length in the horizontal interval from the axis of the prism member 26, and is half the sum of the width dimension of the prism member 26 and the width dimension W of the conveyed product 21 (see FIG. 1). It is about the width dimension. Therefore, as shown in FIG. 5, the spiral plate member 30 looks like an annular shape when viewed from above.
 図4及び図5に示すように、螺旋板部材30は、その接線方向に対応する水平方向からの傾斜角度が一定の上端面30aを有しており、その互いに上下方向に隣り合う螺旋板部材30の間隔であるピッチPは、搬送物21を螺旋板部材30の上端面30aの上に載せた際に、その搬送物21の上端がそれより上方の連結部材34や螺旋板部材30の下端部に接触しないように、搬送物21の高さ寸法H(図2参照)より大きく形成されている。 As shown in FIGS. 4 and 5, the spiral plate member 30 has an upper end surface 30a having a constant inclination angle from the horizontal direction corresponding to the tangential direction, and the spiral plate members adjacent to each other in the vertical direction. The pitch P, which is an interval of 30, is the lower end of the connecting member 34 or the spiral plate member 30 where the upper end of the transported object 21 is above the upper end surface 30a of the spiral plate member 30 when the transported object 21 is placed on the upper end surface 30a. It is formed larger than the height dimension H (see FIG. 2) of the conveyed product 21 so as not to contact the part.
 そして、螺旋板部材30は、図9及び図10に示すように、複数の連結部材34の第2端板部34bの厚さ方向外側の端面に、その長さ途中の各位置の内円弧面30cがそれぞれ対向して配置されて、オネジ部材42等を介して、ネジ締結により固定されることにより、螺旋板部材30と複数の連結部材34は一体的に構成されている。 Then, as shown in FIGS. 9 and 10, the spiral plate member 30 has inner circular arc surfaces at respective positions in the middle of its length on the end surface on the outer side in the thickness direction of the second end plate portions 34 b of the plurality of connecting members 34. 30c is arrange | positioned facing each other, and is fixed by screw fastening via the external thread member 42 grade | etc., And the spiral plate member 30 and the some connection member 34 are comprised integrally.
 すなわち、図10に示すように、その全長にわたって外周部にオネジ部が形成されたオネジ部材42は、同図中右端部が螺旋板部材30のメネジ孔30bと、この螺旋板部材30に当接するナット43のメネジ部にネジ締結されることにより、螺旋板部材30と一体的に固定されている。 That is, as shown in FIG. 10, the male screw member 42 having the male screw portion formed on the outer peripheral portion over the entire length thereof is in contact with the female screw hole 30 b of the spiral plate member 30 and the spiral plate member 30 at the right end portion in the figure. By being screwed to the female thread portion of the nut 43, it is fixed integrally with the spiral plate member 30.
 ここで、螺旋板部材30の長さ途中の各位置にメネジ孔30bを形成して、このメネジ孔30bにオネジ部材42の先端部をネジ締結したことにより、螺旋板部材30の外円弧面30dから径方向外側へオネジ部材42が突出することを防止することができる。 Here, a female screw hole 30b is formed at each position in the middle of the length of the spiral plate member 30, and the distal end portion of the male screw member 42 is screwed into the female screw hole 30b, whereby the outer circular arc surface 30d of the spiral plate member 30 is obtained. It is possible to prevent the male screw member 42 from protruding outward in the radial direction.
 そして、オネジ部材42は、同図中左端部側の長さ途中部を連結部材34の第2端板部34bに形成された貫通孔34eを挿通させて、その第2端板部34bの厚さ方向両側から、平座金45とバネ座金44を介して、ナット43のメネジ部にネジ締結されることにより、連結部材34と一体的に固定されている。 Then, the male screw member 42 is inserted through a through hole 34e formed in the second end plate portion 34b of the connecting member 34 in the middle portion of the length on the left end side in the figure, and the thickness of the second end plate portion 34b is inserted. From both sides in the vertical direction, the screw is fastened to the female threaded portion of the nut 43 via the plain washer 45 and the spring washer 44, so that the connecting member 34 is fixed integrally.
 ここで、複数の連結部材34の第2端板部34bの厚さ方向外側の端面と、螺旋板部材30の内円弧面30cとを互いに対向して配置したことにより、オネジ部材42によりそれらを一体的に固定する際に、それらの間隔を調整することができる。このため、螺旋板部材30と角柱部材26の間隔を調整することもできる。 Here, the end face on the outer side in the thickness direction of the second end plate portion 34b of the plurality of connecting members 34 and the inner circular arc surface 30c of the spiral plate member 30 are arranged so as to face each other. When fixing them together, the distance between them can be adjusted. For this reason, the space | interval of the spiral plate member 30 and the prismatic member 26 can also be adjusted.
 このため、角柱部材26と螺旋板部材30は、それぞれが複数の連結部材34にネジ締結により固定されることにより、角柱部材26と螺旋板部材30と複数の連結部材34は一体的に構成されている。 For this reason, the prism member 26 and the spiral plate member 30 are each fixed to the plurality of connecting members 34 by screw fastening, so that the prism member 26, the spiral plate member 30 and the plurality of connecting members 34 are integrally formed. ing.
 また、螺旋板部材30は、その内円弧面30cが角柱部材26の外側面26bと対向するように、角柱部材26との間の水平方向に間隔をおいて配置されている。そして、螺旋板部材30は、角柱部材26の軸線を中心として互いに90度ずつずれた位置に配置された複数の連結部材34により内円弧面30c側(側方)から均等に支持されている。 Further, the spiral plate member 30 is disposed at a horizontal interval from the prism member 26 so that the inner circular arc surface 30c thereof faces the outer surface 26b of the prism member 26. The spiral plate member 30 is evenly supported from the inner arcuate surface 30c side (side) by a plurality of connecting members 34 arranged at positions shifted by 90 degrees from each other about the axis of the prism member 26.
 図1及び図7に示すように、回転構造体24は、螺旋板部材32の螺旋巻き方向が、回転構造体22の螺旋板部材30の螺旋巻き方向とは逆方向であること、及びその螺旋板部材32を側方から支持する複数の連結部材34それぞれの角柱部材28の外周部に固定された位置が、回転構造体22の複数の連結部材34それぞれの角柱部材26の外周部に固定された位置とは異なることを除いては、回転構造体22と同一の構成になっている。 As shown in FIGS. 1 and 7, in the rotating structure 24, the spiral winding direction of the spiral plate member 32 is opposite to the spiral winding direction of the spiral plate member 30 of the rotating structure 22, and the spiral thereof. The position fixed to the outer peripheral part of each prism member 28 of each of the plurality of connecting members 34 that support the plate member 32 from the side is fixed to the outer peripheral part of each prism member 26 of each of the plurality of connecting members 34 of the rotating structure 22. The rotating structure 22 has the same configuration except that it is different from the position.
 すなわち、回転構造体24は、図7に示すように、図中紙面に対して垂直方向に長さを有する矩形筒状に形成された角柱部材28と、この角柱部材28の外周部に一端部が固定された複数の連結部材34と、この複数の連結部材34の角柱部材28の径方向外側に向かって突出した他端部それぞれにその長さ途中の各位置が固定された螺旋状の螺旋板部材32とから構成されている。 That is, as shown in FIG. 7, the rotating structure 24 includes a prismatic member 28 formed in a rectangular cylinder having a length in a direction perpendicular to the paper surface in the drawing, and one end portion on the outer periphery of the prismatic member 28. A plurality of connecting members 34 fixed to each other and a helical spiral in which each position in the middle of the length is fixed to each of the other end portions of the plurality of connecting members 34 protruding outward in the radial direction of the prismatic member 28. It is comprised from the plate member 32. FIG.
 回転構造体24の角柱部材28は、金属製であり、図10に示すように、4つの外側面28bと、複数の開口部を有する矩形筒状に形成されている。そして、角柱部材28には、4つの外側面28bのそれぞれから水平方向内側に向かって凹んで、ナット部材39をその軸線方向(同図中紙面垂直方向)に摺動可能な4つの凹部28aが形成されている。 The prismatic member 28 of the rotating structure 24 is made of metal and is formed in a rectangular cylindrical shape having four outer faces 28b and a plurality of openings as shown in FIG. The prism member 28 has four recesses 28a that are recessed inward in the horizontal direction from each of the four outer surfaces 28b and that can slide the nut member 39 in the axial direction (perpendicular to the paper surface in the figure). Is formed.
 そして、角柱部材28は、図6に示すように、その軸線方向の両端部それぞれに、軸線が角柱部材28の軸線と同一直線状に配置されて、角柱部材28の軸線方向外側に伸びる軸芯部材38がネジ締結等により一体的に固定されている。 Then, as shown in FIG. 6, the prismatic member 28 is arranged such that the axial line is collinear with the axial line of the prismatic member 28 at both ends in the axial direction, and the axial core extends outward in the axial direction of the prismatic member 28. The member 38 is integrally fixed by screw fastening or the like.
 回転構造体24の複数の連結部材34のそれぞれは、その外形形状が回転構造体22の連結部材34の外形形状と略同一であり、その第1端板部34aが角柱部材28の外側面28bの、上方から見た角柱部材28の軸線を中心として略90度ずつずれた位置に、円周方向に順番に配置されている。 Each of the plurality of connecting members 34 of the rotating structure 24 has an outer shape substantially the same as the outer shape of the connecting member 34 of the rotating structure 22, and the first end plate portion 34 a is the outer surface 28 b of the prismatic member 28. Are arranged in order in the circumferential direction at positions shifted by about 90 degrees about the axis of the prismatic member 28 as viewed from above.
 そして、複数の連結部材34それぞれは、図6に示すように、角柱部材28の軸線方向(図中上下方向)に互いに間隔をおいて配置されている。このため、図7に示す連結部材34それぞれの図中紙面奥側には、別の連結部材34が重なって隠れて配置されている。 Then, as shown in FIG. 6, each of the plurality of connecting members 34 is disposed at intervals from each other in the axial direction (vertical direction in the drawing) of the prismatic member 28. For this reason, another connecting member 34 overlaps and is arranged behind the paper surface in the drawing of each connecting member 34 shown in FIG.
 図9及び図10に示すように、連結部材34の第1端板部34aは、その厚さ方向外側の端面が角柱部材28の外側面28bに接触した状態で、その長孔34dを挿通するオネジ部材40等を介して、ネジ締結により固定されることにより、角柱部材28と複数の連結部材34は一体的に構成されている。 As shown in FIGS. 9 and 10, the first end plate portion 34 a of the connecting member 34 is inserted through the elongated hole 34 d with the end surface on the outer side in the thickness direction in contact with the outer surface 28 b of the prismatic member 28. The prismatic member 28 and the plurality of connecting members 34 are integrally formed by being fixed by screw fastening via the male screw member 40 or the like.
 すなわち、図10に示すように、その全長にわたって外周部にオネジ部が形成されたオネジ部材40は、同図中左端部が連結部材34の第1端板部34aに形成された長孔34dを挿通して、ナット部材39のメネジ部にネジ締結されて、ナット部材39を角柱部材28の凹部28aに係止させると共に、図中右端部側の長さ途中部に平座金45とバネ座金44を通した後、ナット41のメネジ部にネジ締結されることにより、角柱部材28と複数の連結部材34は一体的に固定されている。 That is, as shown in FIG. 10, the male screw member 40 having the male screw portion formed on the outer peripheral portion over the entire length thereof has a long hole 34 d formed in the first end plate portion 34 a of the connecting member 34 at the left end portion in the same figure. The nut member 39 is screwed to the female screw portion of the nut member 39 to lock the nut member 39 in the concave portion 28a of the prismatic member 28, and a flat washer 45 and a spring washer 44 in the middle of the length on the right end side in the figure. Then, the prismatic member 28 and the plurality of connecting members 34 are integrally fixed by being screwed to the female thread portion of the nut 41.
 回転構造体24の螺旋板部材32は、金属製であり、連続的に供給される長尺の帯板状部材をその素材として用いて形成されており、この帯板状部材が折り曲げ加工されることにより、図6中下方に進むにつれて、上方から見ると反時計回り方向(図7中矢印方向)に巻かれた螺旋曲線状に形成されている。 The spiral plate member 32 of the rotating structure 24 is made of metal, and is formed using a continuous strip-shaped member that is continuously supplied as a material. The strip-shaped member is bent. Thus, as it proceeds downward in FIG. 6, it is formed in a spiral curve shape wound in the counterclockwise direction (arrow direction in FIG. 7) when viewed from above.
 ここで、螺旋状の螺旋板部材32は、その厚さ方向が上記螺旋曲線の半径方向と同一方向になるように、すなわち、帯板状部材の厚さ方向の表裏両面がそれぞれ内円弧面32c、外円弧面32dとなるように折り曲げられて形成されている。 Here, the spiral spiral plate member 32 has a thickness direction in the same direction as the radial direction of the spiral curve, that is, the front and back surfaces in the thickness direction of the strip plate member are respectively inner arc surfaces 32c. The outer arc surface 32d is bent and formed.
 螺旋板部材32は、角柱部材28の軸線からの水平方向の間隔の長さ寸法が略一定であり、角柱部材28の幅寸法と搬送物21の幅寸法W(図1参照)の和の半分程度の幅寸法になっている。このため、螺旋板部材32は、図7に示すように、上方から見ると円環状に見えるようになっている。 The spiral plate member 32 has a substantially uniform length in the horizontal interval from the axis of the prism member 28, and is half the sum of the width of the prism member 28 and the width W of the conveyed product 21 (see FIG. 1). It is about the width dimension. For this reason, as shown in FIG. 7, the spiral plate member 32 looks like an annular shape when viewed from above.
 図6及び図7に示すように、螺旋板部材32は、その接線方向に対応する水平方向からの傾斜角度が一定の上端面32aを有しており、その互いに上下方向に隣り合う螺旋板部材32の間隔であるピッチPは、搬送物21を螺旋板部材32の上端面32aの上に載せた際に、その搬送物21の上端がそれより上方の連結部材34や螺旋板部材32の下端部に接触しないように、搬送物21の高さ寸法H(図2参照)より大きく形成されている。 As shown in FIGS. 6 and 7, the spiral plate member 32 has an upper end surface 32a having a constant inclination angle from the horizontal direction corresponding to the tangential direction, and the spiral plate members adjacent to each other in the vertical direction. The pitch P, which is an interval of 32, is the lower end of the connecting member 34 or the spiral plate member 32 where the upper end of the transported object 21 is above the upper end surface 32a of the spiral plate member 32 when the transported object 21 is placed on the upper end surface 32a. It is formed larger than the height dimension H (see FIG. 2) of the conveyed product 21 so as not to contact the part.
 そして、螺旋板部材32は、図9及び図10に示すように、複数の連結部材34の第2端板部34bの厚さ方向外側の端面に、その長さ途中の各位置の内円弧面32cがそれぞれ対向して配置されて、オネジ部材42等を介して、ネジ締結により固定されることにより、螺旋板部材32と複数の連結部材34は一体的に構成されている。 Then, as shown in FIGS. 9 and 10, the spiral plate member 32 has an inner circular arc surface at each position in the middle of its length on the end surface on the outer side in the thickness direction of the second end plate portion 34 b of the plurality of connecting members 34. The spiral plate member 32 and the plurality of connecting members 34 are integrally formed by arranging the 32c so as to face each other and fixing them by screw fastening via the male screw member 42 and the like.
 すなわち、図10に示すように、その全長にわたって外周部にオネジ部が形成されたオネジ部材42は、同図中右端部が螺旋板部材32のメネジ孔32bと、この螺旋板部材32に当接するナット43のメネジ部にネジ締結されることにより、螺旋板部材32と一体的に固定されている。 That is, as shown in FIG. 10, the male screw member 42 having the male screw portion formed on the outer periphery over its entire length is in contact with the female screw hole 32 b of the spiral plate member 32 and the spiral plate member 32 at the right end in the figure. By being screwed to the female thread portion of the nut 43, the spiral plate member 32 is fixed integrally.
 ここで、螺旋板部材32の長さ途中の各位置にメネジ孔32bを形成して、このメネジ孔32bにオネジ部材42の先端部をネジ締結したことにより、螺旋板部材32の外円弧面32dから径方向外側へオネジ部材42が突出することを防止することができる。 Here, a female screw hole 32b is formed at each position in the middle of the length of the spiral plate member 32, and the distal end portion of the male screw member 42 is screwed into the female screw hole 32b, whereby the outer circular arc surface 32d of the spiral plate member 32 is obtained. It is possible to prevent the male screw member 42 from protruding outward in the radial direction.
 そして、オネジ部材42は、同図中左端部側の長さ途中部を連結部材34の第2端板部34bに形成された貫通孔34eを挿通させて、その第2端板部34bの厚さ方向両側から、平座金45とバネ座金44を介して、ナット43のメネジ部にネジ締結されることにより、連結部材34と一体的に固定されている。 Then, the male screw member 42 is inserted through a through hole 34e formed in the second end plate portion 34b of the connecting member 34 in the middle portion of the length on the left end side in the figure, and the thickness of the second end plate portion 34b is inserted. From both sides in the vertical direction, the screw is fastened to the female threaded portion of the nut 43 via the plain washer 45 and the spring washer 44, so that the connecting member 34 is fixed integrally.
 ここで、複数の連結部材34の第2端板部34bの厚さ方向外側の端面と、螺旋板部材32の内円弧面32cとを互いに対向して配置したことにより、オネジ部材42によりそれらを一体的に固定する際に、それらの間隔を調整することができる。このため、螺旋板部材32と角柱部材28の間隔を調整することもできる。 Here, the end face on the outer side in the thickness direction of the second end plate portion 34b of the plurality of connecting members 34 and the inner circular arc surface 32c of the spiral plate member 32 are arranged so as to face each other. When fixing them together, the distance between them can be adjusted. For this reason, the space | interval of the spiral plate member 32 and the prismatic member 28 can also be adjusted.
 このため、角柱部材28と螺旋板部材32は、それぞれが複数の連結部材34にネジ締結により固定されることにより、角柱部材28と螺旋板部材32と複数の連結部材34は一体的に構成されている。 Therefore, the prism member 28 and the spiral plate member 32 are respectively fixed to the plurality of connecting members 34 by screw fastening, so that the prism member 28, the spiral plate member 32 and the plurality of connecting members 34 are integrally configured. ing.
 また、螺旋板部材32は、その内円弧面32cが角柱部材28の外側面28bと対向するように、角柱部材28との間の水平方向に間隔をおいて配置されている。そして、螺旋板部材32は、角柱部材28の軸線を中心として互いに90度ずつずれた位置に配置された複数の連結部材34により内円弧面32c側(側方)から均等に支持されている。 Further, the spiral plate member 32 is disposed in the horizontal direction with the prism member 28 so that the inner circular arc surface 32c thereof faces the outer surface 28b of the prism member 28. The spiral plate member 32 is evenly supported from the inner arc surface 32c side (side) by a plurality of connecting members 34 arranged at positions shifted by 90 degrees from each other about the axis of the prism member 28.
 図9に示すように、螺旋板部材30,32の上端面30a,32aを覆うように逆U字状の保護部材36を取り付けることができる。この保護部材36は、樹脂製であり、その上端面36aの上に接触する搬送物21に損傷を負わせることを防止することができる。 As shown in FIG. 9, an inverted U-shaped protection member 36 can be attached so as to cover the upper end surfaces 30 a and 32 a of the spiral plate members 30 and 32. The protective member 36 is made of resin, and can prevent damage to the conveyed product 21 that contacts the upper end surface 36a.
 次に、図1及び図2に示すように、搬送装置20のケース体46は、枠体56、上板58、下板54及び架台50により構成されている。 Next, as shown in FIG. 1 and FIG. 2, the case body 46 of the transport device 20 includes a frame body 56, an upper plate 58, a lower plate 54, and a mount 50.
 ケース体46の枠体56は、金属製のフレーム52が縦横に組み合わされて、L型ブラケットやボルト、ナット等の締結部材により互いに固定されることにより、外形形状が略直方体の枠状に形成されている。この枠体56は、下板54上に載置されて、下板54に固定されている。 The frame body 56 of the case body 46 is formed by combining metal frames 52 vertically and horizontally and being fixed to each other by fastening members such as L-shaped brackets, bolts, and nuts, so that the outer shape is formed into a substantially rectangular parallelepiped frame shape. Has been. The frame body 56 is placed on the lower plate 54 and fixed to the lower plate 54.
 ケース体46の上板58は、略矩形の板状に形成されており、枠体56の上に水平に載置されて、枠体56に固定されている。このため、下板54の上面54aと上板58の下面58bとは、略平行に配置され互いに対向するようになっている。 The upper plate 58 of the case body 46 is formed in a substantially rectangular plate shape, and is placed horizontally on the frame body 56 and fixed to the frame body 56. For this reason, the upper surface 54a of the lower plate 54 and the lower surface 58b of the upper plate 58 are arranged substantially parallel to face each other.
 そして、上板58には、その厚さ方向に貫通する2つの貫通孔が、互いに間隔をおいて離れて形成され、下板54の2つの貫通孔に対応する位置にそれぞれ形成されている。 In the upper plate 58, two through holes penetrating in the thickness direction are formed at a distance from each other, and are formed at positions corresponding to the two through holes of the lower plate 54, respectively.
 ケース体46の下板54は、略矩形の板状に形成されており、架台50の上に水平に載置されて、架台50に固定されている。また、その下板54には、その厚さ方向に貫通する貫通孔が2つ、互いに間隔をおいて離れて形成されている。 The lower plate 54 of the case body 46 is formed in a substantially rectangular plate shape, is placed horizontally on the gantry 50, and is fixed to the gantry 50. In addition, the lower plate 54 is formed with two through holes penetrating in the thickness direction at a distance from each other.
 このケース体46の架台50は、その断面の外形形状が略矩形状である角筒状の金属製のフレーム52が縦横に組み合わされて、L型ブラケットやボルト、ナット等の締結部材により互いに固定されることにより、外形形状が略直方体の枠状に形成されている。 The frame 50 of the case body 46 is formed by combining a rectangular tube-shaped metal frame 52 having a substantially rectangular outer shape in cross section, and is fixed to each other by fastening members such as L-shaped brackets, bolts, and nuts. Thus, the outer shape is formed in a substantially rectangular parallelepiped frame shape.
 回転構造体22上端部の軸芯部材38と、回転構造体24上端部の軸芯部材38は、枠体56の上板58に形成された2つの貫通孔を貫通し、この上板58の上面58aの貫通孔近傍に取り付けられた軸受66に回転自在に支持されている。 The shaft core member 38 at the upper end of the rotating structure 22 and the shaft core member 38 at the upper end of the rotating structure 24 pass through two through holes formed in the upper plate 58 of the frame 56, and It is rotatably supported by a bearing 66 attached near the through hole of the upper surface 58a.
 また、回転構造体22下端部の軸芯部材38と、回転構造体24下端部の軸芯部材38は、枠体56の下板54に形成された2つの貫通孔を貫通し、この下板54の下面54bの貫通孔近傍に取り付けられた軸受68に回転自在に支持されている。 Further, the shaft core member 38 at the lower end portion of the rotating structure 22 and the shaft member 38 at the lower end portion of the rotating structure 24 pass through two through holes formed in the lower plate 54 of the frame 56, and this lower plate 54 is rotatably supported by a bearing 68 attached in the vicinity of the through-hole on the lower surface 54b of 54.
 このため、回転構造体22,24は、枠体56の内側に配置されて、枠体56の上板58,下板54に取り付けられた軸受66,68に回転自在に支持されている。このとき、回転構造体22,24は、互いの軸芯部材38の軸線が上下方向に平行に配置されている。 For this reason, the rotating structures 22 and 24 are arranged inside the frame body 56 and are rotatably supported by bearings 66 and 68 attached to the upper plate 58 and the lower plate 54 of the frame body 56. At this time, the rotating structures 22 and 24 are arranged such that the axis of the shaft core member 38 is parallel to the vertical direction.
 枠体56の上方と下方には、上方フレーム60と下方フレーム62がそれぞれ設けられ、これらは上方から見ると四辺形の枠状に構成されている。上方フレーム60と下方フレーム62との間でかつ互いに水平方向において隣り合う一対のフレーム52間には透明プラスチックの壁板64が貼られている。このため、回転構造体22,24は一部を除き、その周囲四方をケース体46の透明な壁板64により覆われている。 An upper frame 60 and a lower frame 62 are provided above and below the frame body 56, respectively, and these are configured in a quadrilateral frame shape when viewed from above. A transparent plastic wall plate 64 is attached between the upper frame 60 and the lower frame 62 and between a pair of frames 52 adjacent to each other in the horizontal direction. For this reason, the rotating structures 22 and 24 are partly covered with the transparent wall plate 64 of the case body 46 except for a part thereof.
 図2に示すように、枠体56に対して、その下方に配置された搬送物供給側のコンベヤ82の反対側で、上方フレーム60の近傍には、搬送物搬出側のコンベヤ84が配置されている。枠体56のコンベヤ82の反対側の壁板64の内側にはガイド部材48が設けられている。 As shown in FIG. 2, a conveyor 84 on the delivery side of the conveyed product is disposed in the vicinity of the upper frame 60 on the opposite side of the conveyor 82 on the conveyed product supply side disposed below the frame 56. ing. A guide member 48 is provided inside the wall plate 64 opposite to the conveyor 82 of the frame 56.
 また、コンベヤ82側の壁板64の、コンベヤ82近傍には、搬送物21の外形寸法より大きい不図示の開口が形成されており、搬送物21をその開口から枠体56内に供給できるようになっている。 Further, an opening (not shown) larger than the outer dimensions of the conveyed product 21 is formed in the vicinity of the conveyor 82 on the wall plate 64 on the conveyor 82 side so that the conveyed product 21 can be supplied into the frame body 56 from the opening. It has become.
 図1及び図2に示すように、ガイド部材48は平板状に形成されており、その内側のガイド面48aが回転構造体22,24の2本の軸線を含む面と平行になるように配置されている。 As shown in FIGS. 1 and 2, the guide member 48 is formed in a flat plate shape, and the guide surface 48 a on the inner side thereof is arranged so as to be parallel to the surface including the two axes of the rotating structures 22 and 24. Has been.
 回転構造体22の角柱部材26下端部の軸芯部材38は、図3に示すように、歯車70の軸孔に不図示のキーを介して相対回転不能に連結されており、回転構造体24の角柱部材28下端部の軸芯部材38は、歯車72の軸孔に、やはり不図示のキーを介して相対回転不能に連結されている。 As shown in FIG. 3, the shaft core member 38 at the lower end of the prismatic member 26 of the rotating structure 22 is connected to the shaft hole of the gear 70 through a key (not shown) so as not to be relatively rotatable. The shaft core member 38 at the lower end of the prism member 28 is connected to the shaft hole of the gear 72 through a key (not shown) so as not to be relatively rotatable.
 この歯車70,72は、互いの歯の数が同一であり、図3に示すように、モータ80により駆動されて、回転構造体22の軸芯部材38が回転することにより、歯車70と歯車72は互いの歯が噛み合うようになっている。 The gears 70 and 72 have the same number of teeth, and are driven by a motor 80 as shown in FIG. 3 to rotate the shaft core member 38 of the rotating structure 22, whereby the gear 70 and the gears are rotated. 72 is configured so that the teeth of each other mesh.
 このため、歯車70,72は互いの歯が噛み合うことにより互いに連動するようになっており、歯車70を回転させると歯車72が同一速度で反対回りに回転するようになっている。このことにより、回転構造体22,24も互いに連動するようになっており、回転構造体22,24は同一速度で反対回りに回転するようになっている。 For this reason, the gears 70 and 72 are interlocked with each other when their teeth mesh with each other. When the gear 70 is rotated, the gear 72 rotates in the opposite direction at the same speed. Accordingly, the rotating structures 22 and 24 are also interlocked with each other, and the rotating structures 22 and 24 are rotated in the opposite direction at the same speed.
 そして、回転構造体22,24は、それぞれの螺旋状の螺旋板部材30,32が互いに接近する位置において、それらの上端面30a,32aの最上高さ位置を略一致させた状態で回転するようになっている。 Then, the rotating structures 22 and 24 rotate so that the uppermost height positions of the upper end surfaces 30a and 32a are substantially coincided with each other at a position where the spiral spiral plate members 30 and 32 approach each other. It has become.
 図3に示すように、角柱部材26下端部の軸芯部材38に固定された歯車70の下側(図中歯車70の手前側)にはプーリ74が取り付けられており、このプーリ74の外周にはベルト78が巻き掛けられている。 As shown in FIG. 3, a pulley 74 is attached to the lower side of the gear 70 fixed to the shaft core member 38 at the lower end of the prism member 26 (the front side of the gear 70 in the figure). A belt 78 is wound around the belt.
 このベルト78は、プーリ74が取付けられた角柱部材26の軸芯部材38の軸線に平行に、かつその軸線から水平方向に離れて配置された軸線を有するプーリ76の外周にも巻き掛けられている。 The belt 78 is also wound around the outer periphery of a pulley 76 having an axis arranged parallel to the axis of the axial core member 38 of the prism member 26 to which the pulley 74 is attached and spaced apart from the axis in the horizontal direction. Yes.
 このプーリ76は、その回転中心において、回転構造体22,24の軸芯部材38と平行な軸線を有する、モータ80により駆動されて回転する駆動軸80aと、不図示のキーを介して相対回転不能に連結されている。 The pulley 76 has a rotation axis at a rotation center thereof, which has an axis parallel to the shaft core member 38 of the rotary structures 22 and 24 and is rotated by a drive shaft 80a that is driven by a motor 80 to rotate and a key (not shown). Linked impossible.
 このため、モータ80がその駆動軸80aの回転を駆動させると、プーリ76、ベルト78、プーリ74を介して歯車70に、モータ80の駆動軸80aの回転が伝わり、歯車70と歯車72が噛み合って連動することにより、回転構造体22,24を互いに反対回りに回転させることができる。 For this reason, when the motor 80 drives the rotation of the drive shaft 80a, the rotation of the drive shaft 80a of the motor 80 is transmitted to the gear 70 via the pulley 76, the belt 78, and the pulley 74, and the gear 70 and the gear 72 mesh. By interlocking with each other, the rotating structures 22 and 24 can be rotated in the opposite directions.
 次に、このような本発明の第1の実施の形態に係る搬送装置20の動作について説明する。 Next, the operation of the transfer apparatus 20 according to the first embodiment of the present invention will be described.
 図2に示すように、箱型の形状の搬送物21は、それを搬送装置20に供給するコンベヤ82により運ばれ、搬送方向に並んだ状態で次々と、回転構造体22,24及び枠体56の下方に搬送されてくる。 As shown in FIG. 2, the box-shaped conveyance object 21 is conveyed by a conveyor 82 that supplies the box-shaped conveyance object 20, and is sequentially arranged in the conveyance direction, and the rotating structures 22 and 24 and the frame body one after another. It is conveyed below 56.
 そして、シリンダ88の伸縮ロッド88aの伸縮運動に駆動されて上下動するレバー86の端部が、搬送物21の図2中右下角部に係止して搬送物21を停止させたり、離脱して搬送物21を前方に移動させるよう動作することにより、搬送物21を1個ずつ、搬送装置20の枠体56の壁板64の不図示の開口から、枠体56内の最下方位置に供給することができる。 Then, the end of the lever 86 that moves up and down driven by the expansion and contraction movement of the telescopic rod 88a of the cylinder 88 engages with the lower right corner of the transported object 21 in FIG. By moving the transported object 21 forward, the transported objects 21 are moved one by one from the opening (not shown) of the wall plate 64 of the frame 56 of the transport device 20 to the lowest position in the frame 56. Can be supplied.
 図11及び図12に示すように、搬送装置20の枠体56内に供給された搬送物21は、回転構造体22,24の下方の螺旋板部材30,32の互いに接近して対応する位置において、その最上高さ位置を略一致させた上端面30a,32aの上に載置される。 As shown in FIGS. 11 and 12, the conveyed product 21 supplied into the frame 56 of the conveying device 20 corresponds to the position where the spiral plate members 30 and 32 below the rotating structures 22 and 24 approach each other. 2 are placed on the upper end surfaces 30a, 32a, whose uppermost height positions are substantially matched.
 このとき、搬送物21が載置される回転構造体22,24の角柱部材26,28間においては、その螺旋板部材30,32の上端面30a,32aは、図11中の搬出側が図2,12に示すように低く、図11中の供給側が図2,12に示すように高く傾斜しているため、それらの上に載る搬送物21は、図12に示すように、螺旋板部材30,32の上端面30a,32aにその底面21aを接触させて、傾いた状態で載置される。 At this time, between the prism members 26 and 28 of the rotary structures 22 and 24 on which the conveyed product 21 is placed, the upper end surfaces 30a and 32a of the spiral plate members 30 and 32 are shown in FIG. 12, and the supply side in FIG. 11 is inclined high as shown in FIGS. 2 and 12, so that the conveyed product 21 placed on them is a spiral plate member 30 as shown in FIG. 12. , 32 with the bottom surface 21a in contact with the upper end surfaces 30a, 32a and placed in an inclined state.
 搬送物21は、回転構造体22,24の螺旋板部材30,32の傾きにより供給側(図2中左側)から枠体56内に供給されると、搬送物21の一部(図12中右上部)が、枠体56の搬出側の壁板64の内側に取付けられたガイド部材48のガイド面48aに接触する。 When the conveyed product 21 is supplied into the frame 56 from the supply side (left side in FIG. 2) due to the inclination of the spiral plate members 30 and 32 of the rotating structures 22 and 24, a part of the conveyed product 21 (in FIG. 12). The upper right portion is in contact with the guide surface 48a of the guide member 48 attached to the inside of the wall plate 64 on the carry-out side of the frame 56.
 図3に示すように、モータ80の駆動軸80aが駆動されて回転すると、プーリ76、ベルト78、プーリ74、軸芯部材38、歯車70,72を介して、回転構造体22,24が互いに反対回りに回転する。ここで、図3は搬送装置20を下方から見た図であるが、図11は搬送装置20を上方から見た図である。 As shown in FIG. 3, when the drive shaft 80 a of the motor 80 is driven and rotated, the rotary structures 22 and 24 are mutually connected via the pulley 76, the belt 78, the pulley 74, the shaft core member 38, and the gears 70 and 72. Rotate in the opposite direction. Here, FIG. 3 is a view of the transport device 20 as viewed from below, while FIG. 11 is a view of the transport device 20 as viewed from above.
 図11に示すように、回転構造体22の角柱部材26は、上方から見て時計回り方向に回転するようになっており、回転構造体24の角柱部材28は、角柱部材26とは逆回りの、上方から見て反時計回り方向に回転するようになっている。 As shown in FIG. 11, the prismatic member 26 of the rotating structure 22 rotates in the clockwise direction when viewed from above, and the prismatic member 28 of the rotating structure 24 rotates counterclockwise to the prismatic member 26. Rotating counterclockwise when viewed from above.
 このため、回転構造体22,24の螺旋板部材30,32は、これらの前述した螺旋巻き方向から、回転構造体22,24の回転により、角柱部材26,28間に位置して支持される搬送物21を、図2,12における上方に移動させることができる。 For this reason, the spiral plate members 30 and 32 of the rotating structures 22 and 24 are positioned and supported between the prismatic members 26 and 28 by the rotation of the rotating structures 22 and 24 from the aforementioned spiral winding direction. The conveyed product 21 can be moved upward in FIGS.
 また、回転構造体22,24の螺旋板部材30,32は、搬送物21が載置される角柱部材26,28間においては、図12に示すように、搬送物21の下側に入り込むように回転する。 Further, as shown in FIG. 12, the spiral plate members 30 and 32 of the rotating structures 22 and 24 enter the lower side of the conveyed object 21 between the prismatic members 26 and 28 on which the conveyed object 21 is placed. Rotate to.
 このため、搬送物21は、その前方上部がガイド部材48のガイド面48aに接触して擦(こす)りながら、かつその底面21aが回転する螺旋板部材30,32の上端面30a,32aの上を擦りながら上昇する。 For this reason, the conveyed product 21 has a front upper portion that contacts and rubs against the guide surface 48a of the guide member 48, and a bottom surface 21a of the spiral plate members 30 and 32 whose top surfaces 30a and 32a rotate. Ascend while scrubbing over.
 そして、図12に示すように、この搬送物21は、回転構造体22,24が一回転(360°回転)する毎に、回転構造体22,24のピッチPの距離だけ上方に移動するようになっており、その下方の次の螺旋板部材30,32の上端面30a,32aの上には、後続の搬送物21がコンベヤ82から新たに供給される。 Then, as shown in FIG. 12, the conveyed product 21 moves upward by a distance of the pitch P of the rotating structures 22 and 24 every time the rotating structures 22 and 24 rotate (360 ° rotation). The succeeding conveyed product 21 is newly supplied from the conveyor 82 onto the upper end surfaces 30a and 32a of the next spiral plate members 30 and 32 below that.
 回転構造体22,24が所定数回転したら、回転構造体22,24の螺旋板部材30,32上の搬送物21は、枠体56の上方フレーム60より上に上昇するため、ガイド部材48のガイド面48aに接触していた部分は接触しなくなる。 When the rotating structures 22 and 24 rotate a predetermined number of times, the conveyed product 21 on the spiral plate members 30 and 32 of the rotating structures 22 and 24 rises above the upper frame 60 of the frame 56, so that the guide member 48 The portion that has been in contact with the guide surface 48a is no longer in contact.
 このため、図2に示すように、傾いて支持されていた搬送物21は、その前方の支えを失って、螺旋板部材30,32の上端面30a,32aからその前方に滑り落ちて、搬送物21を搬出するコンベヤ84の上に搬出される。 For this reason, as shown in FIG. 2, the transported object 21 that is supported at an inclination loses its front support and slides forward from the upper end surfaces 30 a and 32 a of the spiral plate members 30 and 32 to transport the transported object 21. It is carried out on the conveyor 84 which carries out the thing 21.
 このように搬送装置20は、搬送物21を一定間隔で、その高さ位置を上昇させることができ、搬送物21を枠体56の下方から上方に搬送することができる。 Thus, the transport device 20 can raise the height position of the transported object 21 at regular intervals, and can transport the transported object 21 from the lower side to the upper side of the frame body 56.
 このような本発明の第1の実施の形態に係る搬送装置20によれば、その回転構造体22,24が、角柱部材26,28と、複数の連結部材34と、長尺の帯板状部材を曲げて形成された螺旋曲線状の螺旋板部材30,32とから構成されていて、前記第1、第2の従来のスクリュー式の搬送装置における一対のスクリューに比べて、重い羽根部や搬送支持部を有していないので、搬送装置20の重量化を防止することができる。 According to the transport apparatus 20 according to the first embodiment of the present invention, the rotating structures 22 and 24 include prismatic members 26 and 28, a plurality of connecting members 34, and a long band plate shape. The spiral plate members 30 and 32 are formed by bending a member and are heavier than the pair of screws in the first and second conventional screw-type conveying devices. Since the conveyance support part is not provided, the weight of the conveyance device 20 can be prevented.
 また、本実施の形態に係る搬送装置20は、上記のようにその重量を低減できるため、角柱部材26,28を回転させる駆動部、回転機構部に掛かる負担を軽減することができるので、搬送装置20の耐久性を向上させることができると共に、その信頼性を向上させることができる。 Further, since the transport device 20 according to the present embodiment can reduce its weight as described above, it can reduce the load on the drive unit and the rotation mechanism unit that rotate the prism members 26 and 28. The durability of the device 20 can be improved and the reliability thereof can be improved.
 また、本実施の形態に係る搬送装置20は、その回転構造体22,24が、角柱部材26,28と、複数の連結部材34と、連続的に供給される長尺の帯板状部材を曲げて形成された螺旋曲線状の螺旋板部材30,32とから構成されていて、前記第1の従来のスクリュー式の搬送装置における、加工が大変な一対の羽根部や、前記第2の従来のスクリュー式の搬送装置における、丸棒状部材の端面同士を溶接により接合する必要がある搬送物支持部を有していないので、その製造が容易であり、その製造価格を低価格にできて搬送装置20の高価格化を防止することができる。 Further, in the transport device 20 according to the present embodiment, the rotating structures 22 and 24 include prismatic members 26 and 28, a plurality of connecting members 34, and a long strip plate member that is continuously supplied. A pair of blade portions 30 and 32 which are formed by bending spiral curved members 30 and 32 and are difficult to process in the first conventional screw-type conveying device, and the second conventional one. In the screw-type transport device, since it does not have a transported object support section that needs to join the end faces of the round bar-shaped members by welding, its manufacture is easy, and its manufacturing price can be reduced and transported. An increase in the price of the device 20 can be prevented.
 また、本実施の形態に係る搬送装置20は、その回転構造体22,24が、その構成部材である、角柱部材26,28と、複数の連結部材34と、螺旋板部材30,32を溶接することなく、ネジ締結により一体的に構成することができるので、この点においても、その製造が容易であり、その製造価格を低価格にできて搬送装置20の高価格化を防止することができる。 Further, in the transport device 20 according to the present embodiment, the rotary structures 22 and 24 are welded to the prismatic members 26 and 28, the plurality of connecting members 34, and the spiral plate members 30 and 32, which are constituent members. In this respect, the manufacturing is easy, the manufacturing price can be reduced, and the cost of the conveying device 20 can be prevented from being increased. it can.
 したがって、以上に説明したように、本実施の形態に係る搬送装置20によれば、搬送装置20の耐久性や信頼性を向上させることができると共に、製造が容易であり、かつ搬送装置20の重量化や高価格化を防止することができる。 Therefore, as described above, according to the transport device 20 according to the present embodiment, the durability and reliability of the transport device 20 can be improved, and the manufacture is easy, and the transport device 20 Increases in weight and price can be prevented.
 図13ないし図15は、本発明の第2の実施の形態に係る搬送装置90について説明するために参照する図である。 FIGS. 13 to 15 are diagrams which are referred to for explaining a transfer device 90 according to the second embodiment of the present invention.
 前記第1の実施の形態に係る搬送装置20においては、搬送物21の高さ位置を低い位置から高い位置に上昇させて搬送するようになっていたが、この第2の実施の形態に係る搬送装置90においては、搬送物21の高さ位置を高い位置から低い位置に下降させて搬送するようになっている。 In the transport device 20 according to the first embodiment, the height position of the transport object 21 is raised from a low position to a high position for transport, but according to the second embodiment. In the conveying device 90, the height of the conveyed product 21 is lowered from a high position to a low position for conveyance.
 このため、前記第1の実施の形態に係る搬送装置20においては、図2に示すように、搬送物21を供給するコンベヤ82は搬送装置20の高さの低い側の位置に、搬送物21を枠体56から搬出するコンベヤ84はその高さの高い側の位置に配置されていたが、この第2の実施の形態に係る搬送装置90においては、図13に示すように、搬送物21を供給するコンベヤ82は搬送装置90の高さの高い側の位置に,搬送物21を枠体56から搬出するコンベヤ84はその高さの低い側の位置に配置されている。 For this reason, in the conveying apparatus 20 according to the first embodiment, as shown in FIG. 2, the conveyor 82 that supplies the conveyed object 21 is placed at a position on the lower side of the conveying apparatus 20. The conveyor 84 for unloading the sheet from the frame 56 is disposed at a position on the higher side. However, in the transfer apparatus 90 according to the second embodiment, as shown in FIG. Is provided at a position on the higher side of the conveying device 90, and a conveyor 84 for carrying the conveyed product 21 out of the frame 56 is located at a position on the lower side.
 次に、本発明の第2の実施の形態に係る搬送装置90の動作について説明する。 Next, the operation of the transfer device 90 according to the second embodiment of the present invention will be described.
 図13に示すように、前記搬送装置20において説明したのと同様に箱型の搬送物21は、搬送装置90に搬送物21を供給するコンベヤ82により運ばれ、搬送方向に並んだ状態で次々と、回転構造体22,24の上方に搬送されてくる。 As shown in FIG. 13, the box-shaped transported object 21 is carried by the conveyor 82 that supplies the transported object 21 to the transporting apparatus 90 in the same manner as described in the transporting apparatus 20, and is successively arranged in the transporting direction. Then, it is conveyed above the rotary structures 22 and 24.
 そして、シリンダ88の伸縮ロッド88aの伸縮運動に駆動されて上下動するレバー86の端部が、搬送物21の図13中右下角部に係止して搬送物21を停止させたり、離脱して搬送物21を前方に移動させるよう動作することにより、搬送物21を1個ずつ、搬送装置90の、枠体56の壁板64の不図示の開口から、枠体56内の最上方位置に供給することができる。 Then, the end of the lever 86 that moves up and down driven by the expansion and contraction movement of the telescopic rod 88a of the cylinder 88 is engaged with the lower right corner in FIG. By moving the transported object 21 forward, the transported objects 21 are moved one by one from the opening (not shown) of the wall plate 64 of the frame 56 of the transporting device 90 to the uppermost position in the frame 56. Can be supplied to.
 図14及び図15に示すように、搬送装置90の枠体56内に供給された搬送物21は、回転構造体22,24の上方の螺旋板部材30,32の互いに接近して対応する位置において、その最上高さを略一致させた上端面30a,32aの上に載置される。 As shown in FIGS. 14 and 15, the conveyed product 21 supplied into the frame body 56 of the conveying device 90 is located at the corresponding positions of the spiral plate members 30 and 32 above the rotating structures 22 and 24. 2 are placed on the upper end surfaces 30a, 32a whose uppermost heights are substantially matched.
 このとき、搬送物21が載置される回転構造体22,24の角柱部材26,28間においては、前記第1の実施の形態に係る搬送装置20と同様に、その螺旋板部材30,32の上端面30a,32aは、図14中の搬出側の高さが図13に示すように低く、図14中の供給側の高さが図13に示すように高くなるよう傾斜しているため、それらの上に載る搬送物21は、図15に示すように、螺旋板部材30,32の上端面30a,32aにその底面21aを接触させて、傾いた状態で載置される。 At this time, between the prismatic members 26 and 28 of the rotating structures 22 and 24 on which the transported object 21 is placed, the spiral plate members 30 and 32 are the same as in the transport device 20 according to the first embodiment. 14 is inclined such that the carry-out side height in FIG. 14 is low as shown in FIG. 13 and the supply side height in FIG. 14 is high as shown in FIG. As shown in FIG. 15, the conveyed product 21 placed thereon is placed in an inclined state with the bottom surface 21a in contact with the upper end surfaces 30a, 32a of the spiral plate members 30, 32.
 搬送物21は、回転構造体22,24の螺旋板部材30,32の傾きにより供給側(図13中左側)から枠体56内に供給されると、搬送物21の一部(図15中右上部)が、枠体56の搬出側の壁板64の内側に取付けられたガイド部材48のガイド面48aに接触する。 When the conveyed product 21 is supplied into the frame body 56 from the supply side (left side in FIG. 13) due to the inclination of the spiral plate members 30 and 32 of the rotary structures 22 and 24, a part of the conveyed product 21 (in FIG. 15). The upper right portion is in contact with the guide surface 48a of the guide member 48 attached to the inside of the wall plate 64 on the carry-out side of the frame 56.
 図3に示すように、モータ80の駆動軸80aが駆動されて回転すると、プーリ76、ベルト78、プーリ74、軸芯部材38、歯車70,72を介して、回転構造体22,24が互いに反対回りに回転する。ここで、図3は搬送装置20を下方から見た図であるが、図14は搬送装置90を上方から見た図である。 As shown in FIG. 3, when the drive shaft 80 a of the motor 80 is driven and rotated, the rotary structures 22 and 24 are mutually connected via the pulley 76, the belt 78, the pulley 74, the shaft core member 38, and the gears 70 and 72. Rotate in the opposite direction. Here, FIG. 3 is a view of the transport device 20 as viewed from below, while FIG. 14 is a view of the transport device 90 as viewed from above.
 図14に示すように、回転構造体22の角柱部材26は、上方から見て反時計回り方向に回転するようになっており、回転構造体24の角柱部材28は、角柱部材26とは逆回りの、上方から見て時計回り方向に回転するようになっているため、回転構造体22,24の螺旋板部材30,32は、これらの前述した螺旋巻き方向から、回転構造体22,24の回転により、角柱部材26,28間に位置して支持される搬送物21を、図13,15における下方に移動させることができる。 As shown in FIG. 14, the prism member 26 of the rotating structure 22 rotates counterclockwise as viewed from above, and the prism member 28 of the rotating structure 24 is opposite to the prism member 26. Since the spiral plate members 30 and 32 of the rotating structures 22 and 24 rotate in the clockwise direction when viewed from above, the rotating structures 22 and 24 are rotated from the aforementioned spiral winding direction. , The conveyed product 21 positioned and supported between the prismatic members 26 and 28 can be moved downward in FIGS.
 また、回転構造体22,24の螺旋板部材30,32は、搬送物21が載置される角柱部材26,28間においては、図15に示すように、搬送物21の底面21aに接触する上端面30a,32aの高さ位置が徐々に低くなって、搬送物21の下側に入り込むように回転する。 Further, as shown in FIG. 15, the spiral plate members 30 and 32 of the rotary structures 22 and 24 are in contact with the bottom surface 21 a of the transported object 21 between the prism members 26 and 28 on which the transported object 21 is placed. The height positions of the upper end surfaces 30 a and 32 a are gradually lowered and rotate so as to enter the lower side of the conveyed product 21.
 このため、搬送物21は、その前方上部がガイド部材48のガイド面48aに接触して擦りながら、かつその底面21aが回転する螺旋板部材30,32の上端面30a,32aの上を擦りながら下降する。 For this reason, the conveyed product 21 is rubbed on the upper end surfaces 30a and 32a of the spiral plate members 30 and 32 whose upper surface is in contact with the guide surface 48a of the guide member 48 and rubbed, and whose bottom surface 21a rotates. Descend.
 そして、図15に示すように、この搬送物21は、回転構造体22,24が一回転(360°回転)する毎に、回転構造体22,24のピッチPの距離だけ下方に移動するようになっており、その上方の次の螺旋板部材30,32の上端面30a,32aの上には、後続の搬送物21がコンベヤ82から新たに供給される。 Then, as shown in FIG. 15, the transported object 21 moves downward by a distance of the pitch P of the rotating structures 22 and 24 every time the rotating structures 22 and 24 make one rotation (360 ° rotation). The succeeding conveyed product 21 is newly supplied from the conveyor 82 on the upper end surfaces 30a and 32a of the next spiral plate members 30 and 32 above the upper part.
 回転構造体22,24が所定数回転したら、回転構造体22,24の螺旋板部材30,32上の搬送物21は、枠体56の下方フレーム62より下に下降するため、ガイド部材48のガイド面48aに接触していた部分は接触しなくなる。 When the rotating structures 22 and 24 rotate a predetermined number of times, the conveyed product 21 on the spiral plate members 30 and 32 of the rotating structures 22 and 24 descends below the lower frame 62 of the frame 56, so The portion that has been in contact with the guide surface 48a is no longer in contact.
 このため、図13に示すように、傾いて支持されていた搬送物21は、その前方の支えを失って、螺旋板部材30,32の上端面30a,32aからその前方に滑り落ちて、搬送物21を搬出するコンベヤ84の上に搬出される。 For this reason, as shown in FIG. 13, the conveyed product 21 that is supported at an inclination loses its front support and slides forward from the upper end surfaces 30 a and 32 a of the spiral plate members 30 and 32 to be conveyed. It is carried out on the conveyor 84 which carries out the thing 21.
 このように搬送装置90は、搬送物21を一定間隔で、その高さ位置を下降させることができ、搬送物21を枠体56の上方から下方に搬送することができる。 In this way, the transport device 90 can lower the height position of the transported object 21 at regular intervals, and can transport the transported object 21 from above the frame body 56 downward.
 このような本発明の第2の実施の形態に係る搬送装置90によっても、前記第1の実施の形態に係る搬送装置20と同様に、搬送装置90の耐久性や信頼性を向上させることができると共に、製造が容易であり、かつ搬送装置90の重量化や高価格化を防止することができる。 The transport device 90 according to the second embodiment of the present invention can also improve the durability and reliability of the transport device 90 in the same manner as the transport device 20 according to the first embodiment. In addition, it is easy to manufacture, and the weight and cost of the transport device 90 can be prevented.
 なお、本発明は、前記実施の形態にのみ限定されるものではなく、本発明の目的を達成することができる範囲内であれば、搬送装置の種々の変更が可能である。 Note that the present invention is not limited to the above-described embodiment, and various modifications of the transport device are possible as long as the object of the present invention can be achieved.
 例えば、前記第1、第2の実施の形態に係る搬送装置20,90においては、枠体56、上板58、下板54、及び架台50により構成されたケース体46の内部に、回転構造体22,24とガイド部材48が取付けられていたが、回転構造体が互いの軸線を平行に配置することができ、かつガイド部材が回転構造体の搬送物支持部上を移動する搬送物を案内することができるようになっていれば、他のどのような構成であってもよい。 For example, in the transfer apparatuses 20 and 90 according to the first and second embodiments, a rotating structure is provided inside the case body 46 constituted by the frame body 56, the upper plate 58, the lower plate 54, and the mount 50. Although the bodies 22 and 24 and the guide member 48 are attached, the rotating structure can arrange the axes of each other in parallel, and the guide member moves the moving object on the conveyed object support portion of the rotating structure. Any other configuration may be used as long as it can be guided.
 また、前記搬送装置20,90における回転構造体22,24は、歯車70,72、プーリ74,76及びベルト78を介して、モータ80により回転を駆動されるようになっていたが、互いに同速度で、逆方向に回転することができるようになっていればよく、このような構成に限定されるわけではない。 The rotating structures 22 and 24 in the transfer devices 20 and 90 are driven to rotate by the motor 80 via the gears 70 and 72, the pulleys 74 and 76, and the belt 78. It is only necessary to be able to rotate in the reverse direction at a speed, and the present invention is not limited to such a configuration.
 また、前記搬送装置20,90における回転構造体22,24は、その構成部材である、角柱部材26,28と、複数の連結部材34と、螺旋板部材30,32をネジ締結により一体的に構成するようになっていたが、角柱部材26,28と螺旋板部材30,32を、ネジ締結により一体的に固定することができるようになっていればよく、このような構成に限定されるわけではない。 Further, the rotary structures 22 and 24 in the transfer devices 20 and 90 are integrally formed by fastening the prismatic members 26 and 28, the plurality of connecting members 34, and the spiral plate members 30 and 32, which are constituent members thereof. However, the prism members 26 and 28 and the spiral plate members 30 and 32 may be integrally fixed by screw fastening, and the configuration is limited to such a configuration. Do not mean.
 例えば、角柱部材にメネジ部を形成して、角柱部材と螺旋板部材をネジ棒部材を介して、一体的に固定するようになっていてもよい。 For example, a female thread portion may be formed on the prism member, and the prism member and the spiral plate member may be integrally fixed via the screw rod member.
 また、前記搬送装置20,90における角柱部材26,28は、その断面形状が矩形の筒状に形成されていたが、その断面形状が多角形状や円形状に形成されていてもよく、中空状ではなく、中実状であってもよい。 In addition, the prismatic members 26 and 28 in the transfer devices 20 and 90 are formed in a cylindrical shape with a cross-sectional shape, but the cross-sectional shape may be formed in a polygonal shape or a circular shape. Instead, it may be solid.
 また、前記搬送装置20,90においては、螺旋板部材30,32の上端面30a,32aの上に搬送物21を直接載せたり、それらの間に保護部材36を介して、螺旋板部材30,32の上端面30a,32aの上に間接的に搬送物21を載せるようになっていたが、搬送物21と螺旋板部材30,32の上端面30a,32aの間には、保護部材36以外の他の部材を介するようになっていてもよい。 Moreover, in the said conveying apparatuses 20 and 90, the conveyed product 21 is directly mounted on the upper end surfaces 30a and 32a of the spiral plate members 30 and 32, or the spiral plate members 30 and 30 are interposed via the protective member 36 between them. Although the conveyed product 21 is indirectly placed on the upper end surfaces 30a and 32a of the 32, the protective member 36 is not provided between the conveyed product 21 and the upper end surfaces 30a and 32a of the spiral plate members 30 and 32. Another member may be interposed.
 また、前記搬送装置20,90における回転構造体22,24の連結部材34は、その一端部が角柱部材の軸線を中心として水平方向に略90度ずつずれた位置に配置されていたが、90度以外の他の角度ずつずれた位置に配置されていてもよい。 Further, the connecting members 34 of the rotary structures 22 and 24 in the transfer devices 20 and 90 are arranged at positions where one end portions thereof are shifted by about 90 degrees in the horizontal direction around the axis of the prismatic member. You may arrange | position in the position shifted | deviated every other angles other than a degree.
 また、前記搬送装置20,90における回転構造体22,24の螺旋板部材30,32は、搬送物の形状や大きさなどに合わせて、角柱部材26,28との間隔の寸法やピッチの長さ、或は傾きを変更しても構わない。 In addition, the spiral plate members 30 and 32 of the rotary structures 22 and 24 in the transport devices 20 and 90 have a dimension of a distance from the prism members 26 and 28 and a length of the pitch in accordance with the shape and size of the transport object. Alternatively, the inclination may be changed.
 また、前記搬送装置20,90におけるガイド部材48は、平板状に形成されていて、一対の回転構造体22,24の軸線を含む面と平行のガイド面48aを有するように形成されていたが、ガイド部材は多数のローラが平面状に並んだものでも、或いは一対の回転構造体の軸線に平行な部分を有しているものでもよく、例えば上下方向に伸びる複数の長いレール部材など、他のどのような形状になっているものでもよい。 In addition, the guide member 48 in the transfer devices 20 and 90 is formed in a flat plate shape and has a guide surface 48a parallel to a surface including the axis of the pair of rotating structures 22 and 24. The guide member may be one in which a large number of rollers are arranged in a plane, or may have a portion parallel to the axis of a pair of rotating structures, such as a plurality of long rail members extending in the vertical direction, etc. Any shape may be used.
 また、ガイド部材は弾性や可撓性を有する部材から形成されていてもよい。このようにガイド部材を弾性や可撓性を有する部材から形成することにより、ガイド部材と一部が接触して移動する搬送物に損傷を負わせることを防止することができる。 Further, the guide member may be formed from a member having elasticity or flexibility. By forming the guide member from a member having elasticity or flexibility in this way, it is possible to prevent damage to a transported object that moves while partly contacting the guide member.
 また、前記搬送装置20,90における搬送物21は、長さ寸法L、幅寸法W、高さ寸法Hを有する直方体であって、底面21aを有し、その上端は開口した箱型に形成されていたが、一対の回転構造体の搬送物支持部それぞれの上に載せて移動することができるものであれば、その上端が開口していないものや、六面が包装されている箱型に形成されているもの、或は箱型に形成されていない丸いものなど、どのような形状のものであってもよい。 Further, the conveyed product 21 in the conveying devices 20 and 90 is a rectangular parallelepiped having a length dimension L, a width dimension W, and a height dimension H, and has a bottom surface 21a, and an upper end thereof is formed in an open box shape. However, as long as it can move on each of the transported object support portions of the pair of rotating structures, the top end of the rotating structure is not opened, or the box shape is wrapped in six sides. It may have any shape such as a formed one or a round one not formed in a box shape.
 また、前記搬送装置20,90における架台50や枠体56は、その断面の外形形状が略矩形状である角筒状の金属製のフレーム52が縦横に組み合わされて、L型ブラケットやボルト、ナット等の締結部材により互いに固定されることにより、外形形状が略直方体の枠状に形成されていたが、等辺山形鋼のアングルが縦横に組み合わされて、互いの接触部分を溶接により固定されることにより、外形形状が略直方体の枠状に形成されていてもよい。 In addition, the gantry 50 and the frame body 56 in the transporting devices 20 and 90 are formed by combining an L-shaped bracket, a bolt, By fixing each other with a fastening member such as a nut, the outer shape was formed in a substantially rectangular parallelepiped frame shape, but the angles of the equilateral angle irons were combined vertically and horizontally and the contact portions of each other were fixed by welding Thus, the outer shape may be formed in a substantially rectangular parallelepiped frame shape.
 また、前記搬送装置20,90におけるコンベヤ82,84は、図2及び図9において水平方向に対して角度をつけた状態で配置されていたが、水平に配置されていてもよい。また、搬送装置に搬送物を供給したり、搬送装置から搬送物を搬出したりすることができるものであれば、他のどのような構成であってもよい。 Moreover, although the conveyors 82 and 84 in the said conveying apparatuses 20 and 90 were arrange | positioned in the state which made the angle with respect to the horizontal direction in FIG.2 and FIG.9, you may arrange | position horizontally. In addition, any other configuration may be used as long as it can supply a conveyed product to the conveying device or carry out the conveyed item from the conveying device.
 20 搬送装置
 21 搬送物
 21a 底面
 22,24 回転構造体
 26,28 角柱部材
 26a,28a 凹部
 26b,28b 外側面
 30,32 螺旋板部材
 30a,32a 上端面
 30b,32b メネジ孔
 30c,32c 内円弧面
 30d,32d 外円弧面
 34 連結部材
 34a 第1端板部
 34b 第2端板部
 34c 連結板部
 34d 長孔
 34e 貫通孔
 36 保護部材
 36a 上端面
 38 軸芯部材
 39 ナット部材
 40 オネジ部材
 41 ナット
 42 オネジ部材
 43 ナット
 44 バネ座金
 45 平座金
 46 ケース体
 48 ガイド部材
 48a ガイド面
 50 架台
 52 フレーム
 54 下板
 54a 上面
 54b 下面
 56 枠体
 58 上板
 58a 上面
 58b 下面
 60 上方フレーム
 62 下方フレーム
 64 壁板
 66,68 軸受
 70,72 歯車
 74,76 プーリ
 78 ベルト
 80 モータ
 80a 駆動軸
 82,84 コンベヤ
 86 レバー
 88 シリンダ
 88a 伸縮ロッド
 90 搬送装置
 H 高さ寸法
 L 長さ寸法
 P ピッチ
 W 幅寸法
20 Conveying device 21 Conveyed object 21a Bottom surface 22, 24 Rotating structure 26, 28 Square column member 26a, 28a Recessed portion 26b, 28b Outer side surface 30, 32 Spiral plate member 30a, 32a Upper end surface 30b, 32b Female thread hole 30c, 32c Inner circular arc surface 30d, 32d Outer circular arc surface 34 Connecting member 34a First end plate portion 34b Second end plate portion 34c Connection plate portion 34d Long hole 34e Through hole 36 Protection member 36a Upper end surface 38 Shaft core member 39 Nut member 40 Male screw member 41 Nut 42 Male screw member 43 Nut 44 Spring washer 45 Flat washer 46 Case body 48 Guide member 48a Guide surface 50 Frame 52 Lower plate 54a Upper surface 54b Lower surface 56 Frame body 58 Upper plate 58a Upper surface 58b Lower surface 60 Upper frame 62 Lower frame 64 Wall plate 66 , 68 Bearing 70, 72 Gear 4,76 pulley 78 belt 80 motor 80a driving shaft 82, 84 the conveyor 86 the lever 88 cylinder 88a extendable rod 90 carrying device H height L length P pitch W width

Claims (3)

  1.  上下方向に長さを有し、互いの軸線が略平行に配置された一対の柱状部材と、
     長尺の帯板状部材が折り曲げられて、螺旋巻き方向が互いに逆方向の一対の螺旋曲線に沿う螺旋状に形成されると共に、前記一対の柱状部材それぞれの周りに前記柱状部材との間に間隔をおいて、前記柱状部材とその厚さ方向の内側の面が対向するように配置された一対の螺旋板部材と
     を備えたことを特徴とする搬送装置。
    A pair of columnar members each having a length in the vertical direction and arranged so that their axes are substantially parallel;
    A long band plate-like member is bent so that the spiral winding direction is formed in a spiral shape along a pair of spiral curves opposite to each other, and around each of the pair of columnar members, between the columnar members. A conveying apparatus comprising: the columnar member and a pair of spiral plate members arranged so that the inner surfaces in the thickness direction thereof face each other at an interval.
  2.  その一端部が前記柱状部材にネジ締結により固定され、他端部が前記螺旋板部材にネジ締結により固定された複数の連結部材を備えたことを特徴とする請求項1に記載の搬送装置。 2. The transport device according to claim 1, further comprising: a plurality of connecting members having one end fixed to the columnar member by screw fastening and the other end fixed to the spiral plate member by screw fastening.
  3.  前記一対の柱状部材それぞれの軸線を含む面に略平行な面又は部分を有するガイド部材を備えたことを特徴とする請求項1又は2に記載の搬送装置。 3. The conveying apparatus according to claim 1, further comprising a guide member having a surface or a portion substantially parallel to a surface including an axis of each of the pair of columnar members.
PCT/JP2013/077914 2013-03-19 2013-10-15 Conveyance device WO2014147877A1 (en)

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CN104379473B (en) 2016-08-17
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