JP7202069B2 - Parts alignment device - Google Patents

Parts alignment device Download PDF

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JP7202069B2
JP7202069B2 JP2017211681A JP2017211681A JP7202069B2 JP 7202069 B2 JP7202069 B2 JP 7202069B2 JP 2017211681 A JP2017211681 A JP 2017211681A JP 2017211681 A JP2017211681 A JP 2017211681A JP 7202069 B2 JP7202069 B2 JP 7202069B2
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parts
component
endless belts
aligning
axial
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JP2019085180A (en
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慎 二宮
厚司 森野
けえこ 塚田
晴久 原田
浩二 林
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NTN Corp
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    • 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
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/02—Devices for feeding articles or materials to conveyors
    • B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
    • B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
    • B65G47/14—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding
    • 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
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Description

本発明は、筒状の部品を搬送しながら整列させる部品整列装置に関する。より具体的には、軸方向の一端側が他端側よりも大径に形成された筒状の部品を搬送しながら整列させる部品整列装置に関する。ここで、「筒状の部品」とは、中空の部品だけでなく中実の（柱状の）部品も含むものとする（以下同じ）。 TECHNICAL FIELD The present invention relates to a component aligning device that aligns cylindrical components while conveying them. More specifically, the present invention relates to a parts aligning device that aligns cylindrical parts while conveying them, the diameter of which is larger at one end in the axial direction than at the other end. Here, the "cylindrical part" includes not only hollow parts but also solid (columnar) parts (the same applies hereinafter).

円錐ころ軸受に組み込まれる円錐ころ等、図１１に示すように軸方向の一端側Ｐ１が他端側Ｐ２よりも大径に形成された筒状の部品Ｐを整列させる部品整列装置としては、例えば図１０に示したようなものがよく用いられる。この部品整列装置は、部品Ｐ（この例では円錐ころ）を搬送しながら整列させるもので、モータ５１によりカップリング５２を介して駆動される駆動プーリ（図示省略）および部品搬送方向の上流端と下流端に配された従動プーリ（図示省略）に、部品Ｐを載せて搬送する無端の平ベルト５３を巻き掛け、この無端の平ベルト５３の上方に、無端の平ベルト５３の一側に沿って部品搬送方向に延びる側板５４と、部品搬送方向に対して水平面内で斜めに交差して下流側ほど側板５４に近づく斜板部５５ａの下流端に側板５４と平行な平行部５５ｂを連続させた案内板５５を設けたものである。 As a component aligning device for aligning a cylindrical component P, such as a tapered roller incorporated in a tapered roller bearing, as shown in FIG. The one shown in FIG. 10 is often used. This parts aligning device aligns parts P (conical rollers in this example) while conveying them. An endless flat belt 53 on which parts P are placed and conveyed is wound around a driven pulley (not shown) arranged at the downstream end, and above this endless flat belt 53 along one side of the endless flat belt 53 A parallel portion 55b parallel to the side plate 54 is connected to the downstream end of the side plate 54 extending in the component conveying direction and the swash plate portion 55a that obliquely intersects the component conveying direction in the horizontal plane and approaches the side plate 54 toward the downstream side. A guide plate 55 is provided.

そして、無端の平ベルト５３上を搬送されてきた部品Ｐは、案内板５５の斜板部５５ａに突き当たることにより、側面を案内板５５の斜板部５５ａに沿わせた状態で下流側へ進んでいき、案内板５５の斜板部５５ａと平行部５５ｂの境界部分で軸方向を部品搬送方向に向けた姿勢となり、その姿勢を案内板５５の平行部５５ｂと側板５４によって保持された状態で下流端へ搬送されて、下流端から断面Ｖ字状のシュート５６を介して次工程に送られるようになっている。 Then, the part P conveyed on the endless flat belt 53 collides with the swash plate portion 55a of the guide plate 55, and advances downstream with its side surface along the swash plate portion 55a of the guide plate 55. Then, at the boundary between the swash plate portion 55a and the parallel portion 55b of the guide plate 55, the axial direction is oriented in the component conveying direction, and this posture is held by the parallel portion 55b of the guide plate 55 and the side plate 54. It is conveyed to the downstream end and sent to the next process from the downstream end through a chute 56 having a V-shaped cross section.

しかし、この部品整列装置では、軸方向を部品搬送方向とほぼ直交する方向に向けた姿勢で搬送されてきた部品Ｐが、そのままの姿勢で側板５４と案内板５５の斜板部５５ａとの間に挟まることにより、その挟まった部品Ｐおよび後続の部品Ｐが無端の平ベルト５３上で滞留してしまうことがある。 However, in this parts aligning device, the parts P conveyed in an attitude in which the axial direction is oriented in a direction substantially orthogonal to the part conveying direction are placed between the side plate 54 and the swash plate portion 55a of the guide plate 55 in that attitude. By being pinched between the parts P, the pinched part P and the succeeding part P may stay on the endless flat belt 53 .

これに対し、特許文献１では、整列対象の部品（テーパー部品）を搬送する無端の平ベルトの上方に、部品搬送方向に対して水平面内で交差し、部品の直進を阻止する案内板（ガイド壁）を、無端の平ベルトの全幅にわたって設けた部品整列装置が提案されている。この特許文献１の部品整列装置では、案内板に突き当たって転動する部品が、その一端側と他端側の周速差によって、小径に形成された側を前方として案内板に沿って移動していき、無端の平ベルト上で滞留することなく、軸方向を一定方向に向けた状態で無端の平ベルトの側方へ排出される。 On the other hand, in Patent Document 1, above an endless flat belt that conveys parts to be aligned (tapered parts), a guide plate (guide A parts aligning device has been proposed in which a wall) is provided over the entire width of an endless flat belt. In the parts aligning apparatus disclosed in Patent Document 1, the part that hits and rolls against the guide plate moves along the guide plate with the side formed with the small diameter forward due to the difference in peripheral speed between one end and the other end of the part. As it goes on, it is discharged to the side of the endless flat belt with the axial direction oriented in a fixed direction without staying on the endless flat belt.

また、特許文献２では、下り傾斜する横断面弧状の樋状部を有し、その樋状部に送り込まれた整列対象の部品が、自重で転動流下しながら一端側と他端側の周速差によって大径に形成された側を先行させていき、樋状部の下流端で大径に形成された側を下流側に向けた状態に整列されるようにした部品整列装置が提案されている。この特許文献２の部品整列装置でも、部品を樋状部に滞留させることなく、軸方向を一定方向に向けた状態で排出することができる。 Further, in Patent Document 2, there is a gutter-shaped portion having an arc-shaped cross section that slopes downward, and the parts to be aligned that are sent into the gutter-shaped portion roll and flow down under their own weight, and are distributed around the one end side and the other end side. A parts aligning device has been proposed in which the side formed with a large diameter is advanced by the speed difference, and the parts are aligned in a state in which the side formed with a large diameter at the downstream end of the gutter-shaped portion faces the downstream side. ing. The parts aligning device of Patent Document 2 can also discharge the parts in a state in which the axial direction is oriented in a certain direction without causing the parts to stay in the gutter-like portion.

特開２００３－１１０２８４号公報Japanese Patent Application Laid-Open No. 2003-110284 特開２０１４－６９９５８号公報JP 2014-69958 A

しかしながら、上記特許文献１の部品整列装置では、案内板に突き当たる際の部品の姿勢によって、部品が無端の平ベルトの一側方へ排出される場合と他側方へ排出される場合が生じるため、排出された部品を受け入れて次工程へ送るための機構を無端の平ベルトの両側に設置する必要があり、装置全体の設置面積が大きくなるという難点がある。 However, in the parts aligning device of Patent Document 1, depending on the attitude of the parts when they collide with the guide plate, the parts may be discharged to one side or the other side of the endless flat belt. In addition, it is necessary to install mechanisms on both sides of the endless flat belt for receiving the ejected parts and sending them to the next process, and there is a problem that the installation area of the whole apparatus becomes large.

一方、特許文献２の部品整列装置では、整列された部品を一箇所から排出することはできるが、一端側と他端側の径差が小さい部品は整列が困難なことがあり、適用範囲が狭く確実性が乏しいという問題がある。また、部品のサイズによって樋状部を構成する部材を交換する必要があるため、高コストとなる。 On the other hand, the parts aligning device of Patent Document 2 can discharge the aligned parts from one place, but it may be difficult to align parts with a small diameter difference between one end side and the other end side, and the application range is limited. There is a problem that it is narrow and lacks certainty. Moreover, since it is necessary to replace the member constituting the gutter-shaped portion depending on the size of the part, the cost is high.

そこで、本発明は、コンパクトな構造で、一端側が他端側よりも大径の筒状部品を、確実に軸方向が一定方向を向く姿勢に整列させることができ、部品サイズの変更に対しても容易に対応できる部品整列装置を提供することを課題とする。 Therefore, the present invention has a compact structure, and can reliably align cylindrical parts having a larger diameter at one end than at the other end in a posture in which the axial direction is oriented in a certain direction, and is capable of changing the size of the parts. An object of the present invention is to provide a component aligning device that can easily cope with

上記の課題を解決するために、本願の第１の発明は、筒状の部品を搬送しながら整列させる部品整列装置において、前記部品を載せて部品搬送方向に走行する無端ベルトを複数並列に配し、隣り合う無端ベルトを互いに異なる速度で走行させる軸方向整列部を有し、前記軸方向整列部では、少なくとも２つの無端ベルトに跨って載せられた部品が、その部品を載せた各無端ベルトの速度差によって、軸方向を部品搬送方向に向けた状態に整列されて搬送される構成を採用した。 In order to solve the above problems, a first invention of the present application provides a parts aligning device for aligning cylindrical parts while conveying them, in which a plurality of endless belts on which the parts are placed and run in the part conveying direction are arranged in parallel. and has an axial aligning portion for causing adjacent endless belts to run at different speeds, and in the axial aligning portion, a component placed across at least two endless belts is aligned with each endless belt on which the component is placed. By the speed difference, the parts are aligned and conveyed with the axial direction facing the part conveying direction.

この第１の発明の構成によれば、並列に配した複数の無端ベルトの速度差を利用して、整列対象の部品を、その一端側と他端側の径差によらず、確実に軸方向が部品搬送方向に向く状態に整列させることができる。また、整列した部品は部品搬送方向の下流端から排出されるので、整列した部品を無端の平ベルトの両側方に排出するものに比べてコンパクトな構造となる。 According to the configuration of the first aspect of the invention, by utilizing the speed difference of the plurality of endless belts arranged in parallel, the components to be aligned can be reliably aligned on the axis regardless of the diameter difference between one end and the other end of the belt. They can be aligned so that they are oriented in the direction of component transport. In addition, since aligned components are discharged from the downstream end in the component conveying direction, the structure is more compact than that in which the aligned components are discharged on both sides of the endless flat belt.

上記の構成において、前記各無端ベルトを、互いに直径が異なり、１つのモータによって回転駆動される複数の駆動プーリに１本ずつ巻き掛けられているものとすれば、装置全体の構造をよりコンパクトなものとすることができる。 In the above configuration, if each endless belt has a different diameter and is wound one by one around a plurality of drive pulleys that are rotationally driven by a single motor, the structure of the entire device can be made more compact. can be

また、前記軸方向整列部は、その下流側部分に、前記無端ベルトの列の上方で部品搬送方向に対して水平面内で斜めに交差する方向に延びる案内板が設けられており、前記案内板に突き当たった部品が一列に整列されて下流側へ向かうようにすれば、軸方向整列部から排出された部品を受け入れて次工程へ送る部分の構造の簡素化が図れる。 Further, the axial alignment portion is provided with a guide plate extending in a direction obliquely intersecting the component conveying direction in a horizontal plane above the row of the endless belts at a downstream portion thereof. By arranging the parts that collide with each other in a row toward the downstream side, it is possible to simplify the structure of the part that receives the parts ejected from the axial alignment section and sends them to the next process.

そして、本願の第２の発明は、軸方向の一端側が他端側よりも大径に形成された円錐型の筒状の部品を搬送しながら整列させる部品整列装置において、部品搬送方向に走行する無端ベルトを複数並列に配し、隣り合う無端ベルトどうしの隙間を前記部品の一端部よりも狭く他端部よりも広く設定した円錐方向整列部を有し、前記円錐方向整列部では、前記無端ベルトどうしの間へ供給された部品が、その一端部を両側の無端ベルトに支持され、他端を下方に向けた状態に整列されて搬送される構成を採用した。 A second invention of the present application is a parts aligning device for aligning while conveying conical cylindrical parts having one end side in the axial direction larger in diameter than the other end side, in which the conical parts travel in the part conveying direction. A plurality of endless belts are arranged in parallel, and a gap between adjacent endless belts is set to be narrower than one end of the part and wider than the other end of the part, and the conical alignment part has the endless belt. A configuration is adopted in which the parts supplied between the belts are aligned and transported with one end supported by the endless belts on both sides and the other end directed downward.

この第２の発明の構成によれば、隣り合う無端ベルトどうしの隙間を適切に調整することにより、整列対象の部品を、その一端側と他端側の径差によらず、確実に軸方向が上下方向に向き、小径側の他端が下方に向く状態に整列させることができる。また、第１の発明と同様、整列した部品は部品搬送方向の下流端から排出されるので、コンパクトな構造となるし、部品サイズの変更に対しても無端ベルトどうしの間の隙間の調整によって容易に対応できる。なお、無端ベルト間の隙間調整は、両端が右ネジ・左ネジ構造となっている円柱部品を回転させることで、２本の無端ベルトの平行状態を維持したままベルト間の隙間調整が可能な構造を採用することができる。 According to the configuration of the second aspect of the invention, by appropriately adjusting the gap between the adjacent endless belts, the components to be aligned can be reliably moved in the axial direction regardless of the difference in diameter between one end and the other end. face up and down, and the other end on the small diameter side faces down. Also, as in the first invention, aligned parts are ejected from the downstream end in the part conveying direction, so the structure is compact, and the size of the parts can be changed by adjusting the gap between the endless belts. Easy to deal with. The gap between the endless belts can be adjusted by rotating a columnar part with right-handed and left-handed threads at both ends while maintaining the parallel state of the two endless belts. structure can be employed.

上記の構成においては、前記円錐方向整列部の上流端に、第１の発明の軸方向整列部の下流端を接続して、円錐方向整列部の無端ベルトどうしの間へ、軸方向を部品搬送方向に向けた部品がスムーズに供給されるようにすることもできる。 In the above configuration, the upstream end of the conical aligning portion is connected to the downstream end of the axial aligning portion of the first aspect of the invention, and parts are transported in the axial direction between the endless belts of the conical aligning portion. Oriented parts can be supplied smoothly.

前記軸方向整列部の無端ベルトや前記円錐方向整列部の無端ベルトには、丸ベルトを採用することができる。 A round belt can be adopted as the endless belt of the axial alignment portion and the endless belt of the conical alignment portion.

また、上述した第１の発明および第２の発明は、前記部品が円錐ころ軸受に組み込まれる円錐ころである場合に有効に適用することができる。 Moreover, the first and second inventions described above can be effectively applied when the component is a tapered roller incorporated in a tapered roller bearing.

上述したように、本願の第１の発明の部品整列装置は、整列対象の部品を載せて部品搬送方向に走行する無端ベルトを複数並列に配し、隣り合う無端ベルトを互いに異なる速度で走行させる軸方向整列部を有するものであるから、その無端ベルトの速度差により、部品を確実に軸方向が部品搬送方向に向く状態に整列させることができる。また、整列した部品を部品搬送方向の下流端から排出するコンパクトな構造で、部品サイズの変更に対しても無端ベルトどうしの間の隙間の調整によって容易に対応できるものとなる。 As described above, the parts aligning device of the first invention of the present application arranges a plurality of endless belts parallel to each other for running in the parts conveying direction on which parts to be aligned are placed, and makes the adjacent endless belts run at different speeds. Since it has an axial aligning portion, the speed difference of the endless belt can reliably align the parts in a state in which the axial direction is oriented in the part conveying direction. In addition, it has a compact structure in which aligned parts are discharged from the downstream end in the part conveying direction, and changes in the size of the parts can be easily accommodated by adjusting the gap between the endless belts.

また、本願の第２の発明の部品整列装置は、部品搬送方向に走行する無端ベルトを複数並列に配し、隣り合う無端ベルトどうしの隙間を部品の一端部よりも狭く他端部よりも広く設定した円錐方向整列部を有するものであるから、その無端ベルトどうしの間へ供給された部品の一端部を両側の無端ベルトで支持することにより、その部品を確実に他端が下方に向く状態に整列させることができる。また、第１の発明と同様、整列した部品を部品搬送方向の下流端から排出するコンパクトな構造となり、無端ベルトどうしの間の隙間の調整によって部品サイズの変更に容易に対応することができる。 In the parts aligning device of the second invention of the present application, a plurality of endless belts running in the parts conveying direction are arranged in parallel, and the gap between the adjacent endless belts is narrower than one end of the parts and wider than the other end. Since it has a set conical alignment part, by supporting one end of the part supplied between the endless belts by the endless belts on both sides, the other end of the part is reliably directed downward. can be aligned. In addition, as in the first invention, a compact structure is provided in which aligned parts are discharged from the downstream end in the part conveying direction, and it is possible to easily cope with a change in the size of the parts by adjusting the gap between the endless belts.

実施形態の部品整列装置の上流側部分の正面図Front view of the upstream portion of the component alignment device of the embodiment 図１の軸方向整列部の平面図FIG. 2 is a plan view of the axial alignment portion of FIG. 1; 図１のIII－III線に沿った断面図Cross-sectional view along the III-III line in Fig. 1 図２のIV－IV線に沿った要部の断面図Cross-sectional view of the main part along the IV-IV line in Fig. 2 実施形態の部品整列装置の下流側部分の正面図The front view of the downstream part of the components alignment apparatus of embodiment 図５の円錐方向整列部の概略を示す平面図FIG. 6 is a plan view showing an outline of the conical direction alignment part of FIG. 5 ; 図５の駆動プーリ付近を部品搬送方向から見た断面図Cross-sectional view of the drive pulley and its vicinity in FIG. 図５の従動プーリ付近を部品搬送方向から見た断面図Cross-sectional view of the vicinity of the driven pulley in FIG. 5 as seen from the component conveying direction 図５のベルトガイド付近を部品搬送方向から見た断面図Sectional view of the vicinity of the belt guide in FIG. 5 viewed from the component conveying direction 従来の部品整列装置の平面図Plan view of a conventional parts alignment device 整列対象の部品の一例を示す斜視図Perspective view showing an example of parts to be aligned

以下、図面に基づき、本発明の実施形態を説明する。この部品整列装置は、図１に示す上流側部分に設けた軸方向整列部１０と、図５に示す下流側部分に設けた円錐方向整列部３０とからなり、その軸方向整列部１０の下流端を円錐方向整列部３０の上流端に接続したもので、図１１に示すように軸方向の一端側Ｐ１が他端側Ｐ２よりも大径に形成された筒状の部品Ｐ、具体的には円錐ころ軸受に組み込まれる円錐ころを整列対象としている。 Embodiments of the present invention will be described below with reference to the drawings. This parts aligning device comprises an axial aligning section 10 provided in the upstream portion shown in FIG. 1 and a conical aligning section 30 provided in the downstream portion shown in FIG. A tubular part P whose end is connected to the upstream end of the conical aligning portion 30 and has a larger diameter at one axial end P1 than at the other axial end P2 as shown in FIG. is intended for alignment of tapered rollers incorporated in tapered roller bearings.

前記軸方向整列部１０は、図１および図２に示すように、前工程の桟付きベルトコンベア１から供給される部品Ｐを載せて部品搬送方向に走行する無端の丸ベルト（無端ベルト）１１を６本並列に配し、これらの無端の丸ベルト１１上で整列させた部品Ｐを、下流端から断面Ｖ字状の連結シュート２を介して円錐方向整列部３０へ送り込むものである。その丸ベルト１１の材質としては、部品Ｐに傷をつけにくく、部品Ｐとの間に適度な摩擦を生じるポリウレタンが用いられている。なお、図１では、説明上、部品Ｐの流れよりも前面側（装置幅方向の外側）の部材を一部省略して記載している。 As shown in FIGS. 1 and 2, the axial aligning unit 10 is an endless round belt (endless belt) 11 on which the parts P supplied from the belt conveyor 1 with crosspieces in the preceding process are placed and which runs in the part conveying direction. are arranged in parallel, and the parts P aligned on these endless round belts 11 are sent from the downstream end to the conical alignment section 30 via the connecting chute 2 having a V-shaped cross section. As the material of the round belt 11, polyurethane is used which does not easily damage the parts P and produces an appropriate amount of friction with the parts P. As shown in FIG. In FIG. 1, for the sake of explanation, a part of the members on the front side (the outer side in the width direction of the device) of the flow of the parts P is omitted.

図１乃至図３に示すように、前記各丸ベルト１１は、それぞれ基台１２に取り付けられた駆動プーリ１３ａ～１３ｅと上流側従動プーリ１４と下流側従動プーリ１５とに巻き掛けられている。ここで、駆動プーリ１３ａ～１３ｅは、丸ベルト１１の本数よりも１つ少ない５つが設けられており、装置幅方向（部品搬送方向と水平面内で直交する方向）の中央側端に配されるもの（１３ａ）のみが２本の丸ベルト１１を掛けられ、その他のもの（１３ｂ～１３ｅ）にはそれぞれ１本の丸ベルト１１が掛けられるようになっている。この理由は、最終的に軸方向が揃えられた部品Ｐを等速で回転する２本の丸ベルト１１上に乗せて搬送することを目的としているためである。また、その５つの駆動プーリ１３ａ～１３ｅは、互いに直径が異なり、装置幅方向の中央側から外側に向かって順に小径となるように配されている。一方、上流側従動プーリ１４および下流側従動プーリ１５は、それぞれ丸ベルト１１の本数だけ（６つずつ）同一仕様のものが設けられて、１つのプーリに１本の丸ベルト１１が掛けられるようになっている（図２および図４参照）。 As shown in FIGS. 1 to 3, each of the round belts 11 is wound around drive pulleys 13a to 13e, an upstream driven pulley 14, and a downstream driven pulley 15, which are attached to the base 12, respectively. Here, five drive pulleys 13a to 13e are provided, one less than the number of round belts 11, and are arranged at the center side end in the device width direction (the direction orthogonal to the component conveying direction in the horizontal plane). Two round belts 11 are attached to only the item (13a), and one round belt 11 is attached to each of the other items (13b to 13e). The reason for this is that the parts P whose axial directions are finally aligned are put on two round belts 11 rotating at a constant speed and conveyed. The five drive pulleys 13a to 13e have different diameters, and are arranged so that the diameters of the drive pulleys 13a to 13e become smaller in order from the center to the outside in the width direction of the device. On the other hand, the upstream driven pulley 14 and the downstream driven pulley 15 are provided with the same specifications as the number of round belts 11 (six each) so that one round belt 11 can be hung on one pulley. (see FIGS. 2 and 4).

前記駆動プーリ１３ａ～１３ｅは、それぞれ基台１２に設けられた駆動軸１６の一端側の外周に嵌合固定されている。その駆動軸１６は、軸方向中央部を基台１２の幅方向内側の壁部１２ａに、一端部を基台１２の壁部１２ａに固定されたブラケット１７に、それぞれ回転自在に支持されており、他端部に連結されたカップリング１８を介して、基台１２に取り付けられたモータ１９に回転駆動されるようになっている。一方、前記上流側従動プーリ１４および下流側従動プーリ１５は、それぞれ基台１２に支持部材２０、２１を介して固定された支軸２２の外周に、図示省略したベアリングを介して回転自在に取り付けられている（図２および図４参照）。 The drive pulleys 13a to 13e are fitted and fixed to the outer periphery of one end of a drive shaft 16 provided on the base 12, respectively. The drive shaft 16 is rotatably supported by a wall portion 12a on the inner side in the width direction of the base 12 at its axial central portion and by a bracket 17 fixed on the wall portion 12a of the base 12 at one end. , and a motor 19 attached to the base 12 through a coupling 18 connected to the other end thereof. On the other hand, the upstream driven pulley 14 and the downstream driven pulley 15 are rotatably attached to the outer periphery of a support shaft 22 fixed to the base 12 via support members 20 and 21 via bearings (not shown). (see Figures 2 and 4).

また、基台１２には、駆動プーリ１３ａ～１３ｅと上流側従動プーリ１４の間で各丸ベルト１１の戻り側（緩み側）の一部を下方から押圧する５つのテンションプーリ２３ａ～２３ｅが、高さ方向位置を調整可能な状態で取り付けられている。そのテンションプーリ２３ａ～２３ｅは、駆動プーリ１３ａ～１３ｅに対応して、装置幅方向の中央側端に配されるもの（２３ａ）のみが２本の丸ベルト１１を押圧し、その他のもの（２３ｂ～２３ｅ）はそれぞれ１本の丸ベルト１１を押圧して、各丸ベルト１１に適切な張力を付与するようになっている。 Further, on the base 12, five tension pulleys 23a to 23e are provided between the drive pulleys 13a to 13e and the upstream driven pulley 14 to press a portion of the return side (slack side) of each round belt 11 from below. It is installed in a state in which the height direction position can be adjusted. Of the tension pulleys 23a to 23e, only the one (23a) arranged at the center side end in the width direction of the device presses the two round belts 11 corresponding to the drive pulleys 13a to 13e, and the other one (23b 23e) presses one round belt 11 to apply appropriate tension to each round belt 11. As shown in FIG.

これにより、モータ１９で駆動軸１６を駆動すると、駆動軸１６と一体に各駆動プーリ１３ａ～１３ｅが回転し、各丸ベルト１１がそれぞれテンションプーリ２３ａ～２３ｅに適切な張力を付与されて、駆動プーリ１３ａ～１３ｅ、上流側従動プーリ１４および下流側従動プーリ１５との滑りがない状態でスムーズに走行するようになっている。そして、このとき、駆動プーリ１３ａ～１３ｅの直径差により、装置幅方向の中央側端の２本の丸ベルト１１は同じ速度で走行するが、その他の丸ベルト１１は装置幅方向の外側のものほど遅い速度で走行する。つまり、最も外側に位置する（最小径の駆動プーリ１３ｅに掛けられた）丸ベルト１１は最も遅く、駆動プーリ１３ｄ、１３ｃ、１３ｂ、１３ａの順に丸ベルト１１の速度が速くなっており、連結シュート２につながる装置幅方向の中央側端の（最大径の駆動プーリ１３ａに掛けられた）丸ベルト１１が最も速く走行するので、部品Ｐは滞留することなくスムーズに排出される。 As a result, when the drive shaft 16 is driven by the motor 19, the drive pulleys 13a to 13e are rotated together with the drive shaft 16, and the tension pulleys 23a to 23e apply appropriate tension to the round belts 11 to drive the belts. The pulleys 13a to 13e, the upstream driven pulley 14, and the downstream driven pulley 15 run smoothly without slipping. At this time, the two round belts 11 on the central side end in the device width direction run at the same speed due to the diameter difference of the drive pulleys 13a to 13e, but the other round belts 11 run on the outer side in the device width direction. run at a slower speed. That is, the round belt 11 located on the outermost side (engaged on the drive pulley 13e with the smallest diameter) is the slowest, and the speed of the round belt 11 increases in the order of the drive pulleys 13d, 13c, 13b, and 13a. Since the round belt 11 (engaged by the driving pulley 13a with the largest diameter) at the center side end in the width direction of the apparatus connected to the belt 2 runs fastest, the parts P are discharged smoothly without staying.

また、この軸方向整列部１０には、図２および図４に示すように、丸ベルト１１の列の両側に、基台１２に断面Ｌ字状の取付部材２４、２５を介して固定され、丸ベルト１１により搬送される部品Ｐの脱落を防止する側板２６、２７が設けられている。そのうち、装置幅方向の中央側の側板２６は部品供給位置付近から連結シュート２の上方まで延びており、外側の側板２７は上流側部分のみに設けられている。そして、外側の側板２７よりも下流側に、後述するように部品Ｐを一列に整列させて円錐方向整列部３０に送るための案内板２８が設けられている。 2 and 4, the axial alignment portion 10 is fixed to both sides of the row of the round belts 11 via mounting members 24 and 25 having an L-shaped cross section to the base 12. Side plates 26 and 27 are provided to prevent the parts P conveyed by the round belt 11 from falling off. Among them, the side plate 26 on the central side in the width direction of the device extends from the vicinity of the component supply position to above the connecting chute 2, and the side plate 27 on the outside is provided only in the upstream portion. Further, a guide plate 28 is provided downstream of the outer side plate 27 for aligning the parts P in a row and sending them to the conical alignment section 30 as will be described later.

前記案内板２８は、図２に示すように、丸ベルト１１の列の上方で部品搬送方向に対して水平面内で斜めに交差する方向に延び、下流側ほど中央側の側板２６に近づく斜板部２８ａと、斜板部２８ａの下流端に連続して中央側の側板２６と平行に連結シュート２の上方まで延びる平行部２８ｂとからなり、２つの取付部材２９ａ、２９ｂで基台１２の支持部材２１に固定されている。その平行部２８ｂと中央側の側板２６との隙間は、部品Ｐの最大径よりもわずかに大きく設定されている。 As shown in FIG. 2, the guide plate 28 extends above the rows of the round belts 11 in a direction that obliquely intersects the component conveying direction in the horizontal plane, and is a swash plate that approaches the central side plate 26 toward the downstream side. and a parallel portion 28b that continues to the downstream end of the swash plate portion 28a and extends above the connecting chute 2 in parallel with the side plate 26 on the central side. It is fixed to member 21 . The gap between the parallel portion 28b and the central side plate 26 is set slightly larger than the maximum diameter of the component P.

この部品整列装置の軸方向整列部１０は、上記の構成であり、図１および図２に示したように、前工程の桟付きベルトコンベア１から１個ずつランダムな姿勢で供給された部品Ｐが、少なくとも２つの丸ベルト１１に跨って載せられて搬送されていく間に、その部品Ｐを載せた隣り合う丸ベルト１１どうしの速度差によって、軸方向を部品搬送方向に向けた状態（大径側端面または小径側端面が進行方向を向いている状態）に整列される。なお、部品サイズが変更されるときは、各プーリ１３ａ～１３ｅ、１４、１５、２３ａ～２３ｅの軸方向位置を変えて、丸ベルト１１どうしの間の隙間を適切に調整すればよい。 The axial aligning unit 10 of this component aligning device has the above configuration, and as shown in FIGS. However, while the part P is placed on at least two round belts 11 and conveyed, due to the speed difference between the adjacent round belts 11 on which the part P is placed, the axial direction is oriented in the part conveying direction (large The diameter side end face or the small diameter side end face faces the traveling direction). When the component size is changed, the axial positions of the pulleys 13a to 13e, 14, 15 and 23a to 23e are changed to appropriately adjust the gap between the round belts 11. FIG.

そして、軸方向を部品搬送方向に向けた部品Ｐは、案内板２８の斜板部２８ａに突き当たると、一旦、側面を案内板２８の斜板部２８ａに沿わせた姿勢となって一列で下流側へ進んでいき、案内板２８の斜板部２８ａと平行部２８ｂの境界部分で再び軸方向を部品搬送方向に向けた姿勢となり、その姿勢を案内板２８の平行部２８ｂと中央側の側板２６によって保持された状態で下流端へ搬送されて、下流端から連結シュート２を介して円錐方向整列部３０に送られる。 Then, when the parts P whose axial direction is oriented in the part conveying direction collide with the swash plate portion 28a of the guide plate 28, the parts P temporarily assume a posture in which the side surfaces are aligned with the swash plate portion 28a of the guide plate 28, and are downstream in a row. At the boundary between the swash plate portion 28a and the parallel portion 28b of the guide plate 28, the axial direction of the guide plate 28 is again directed toward the component conveying direction. It is conveyed to the downstream end while being held by 26, and sent from the downstream end to the conical aligning section 30 via the connecting chute 2. As shown in FIG.

次に、この部品整列装置の下流側部分に設けた円錐方向整列部３０について説明する。 Next, the conical direction aligning section 30 provided in the downstream portion of this component aligning device will be described.

前記円錐方向整列部３０は、図５および図６に示すように、部品搬送方向に走行する無端の丸ベルト（無端ベルト）３１を２本並列に配し、その２本の丸ベルト３１の隙間を部品Ｐの一端部（大径側端部）よりも狭く、他端部（小径側端部）よりも広く設定しておくことにより、連結シュート２から両丸ベルト３１の間に供給される部品Ｐを、他端が下方を向く状態に整列させて、下流端から排出シュート３を介して次工程へ送るものである。各丸ベルト３１は、軸方向整列部１０のものと同じく、ポリウレタン製のものが用いられている。なお、図５では部品Ｐの流れよりも前面側の部材を、図６では部品Ｐの流れよりも上方の部材を、説明上、それぞれ一部省略して記載している。 As shown in FIGS. 5 and 6, the conical direction aligning unit 30 has two endless round belts (endless belts) 31 running in the component conveying direction arranged in parallel, and a gap between the two round belts 31. is narrower than one end (large diameter side end) of the component P and wider than the other end (small diameter side end) of the component P, so that the The parts P are aligned with the other end facing downward, and sent from the downstream end to the next process via the discharge chute 3 . Each of the round belts 31 is made of polyurethane, like that of the axial alignment section 10 . For the sake of explanation, the members on the front side of the flow of the parts P are shown in FIG. 5, and the members above the flow of the parts P are partially omitted in FIG.

前記各丸ベルト３１は、下流端付近に配された駆動プーリ３２と上流端付近に配された従動プーリ３３とに巻き掛けられ、駆動プーリ３２と従動プーリ３３の間で戻り側（緩み側）の一部をテンションプーリ３４によって斜め上方から押圧されて張力を付与されるようになっている。その駆動プーリ３２、従動プーリ３３およびテンションプーリ３４は、それぞれ後述するように基台３５に装置幅方向にスライド可能に支持されたスライドプレート３６に取り付けられている。 Each of the round belts 31 is wound around a driving pulley 32 arranged near the downstream end and a driven pulley 33 arranged near the upstream end. is pressed from obliquely upward by a tension pulley 34 to apply tension. The drive pulley 32, the driven pulley 33 and the tension pulley 34 are attached to a slide plate 36 which is slidably supported by a base 35 in the width direction of the device, as will be described later.

ここで、駆動プーリ３２は、図７に示すように、一対が部品搬送方向から見てハの字状に配されており、それぞれスライドプレート３６（図５参照）に取付部材３７を介して固定されたモータ３８によって回転駆動されるようになっている。また、従動プーリ３３は、図８に示すように、一対が部品搬送方向から見てハの字状に配され、それぞれスライドプレート３６（図５参照）に２つの取付部材３９ａ、３９ｂを介して固定された支軸４０の外周に回転自在に取り付けられている。そして、図示は省略するが、テンションプーリ３４も、一対が部品搬送方向から見てハの字状に配され、それぞれスライドプレート３６に丸ベルト３１への押圧方向位置を調整可能な状態で取り付けられている。 Here, as shown in FIG. 7, a pair of drive pulleys 32 are arranged in a V shape when viewed from the component conveying direction, and are fixed to slide plates 36 (see FIG. 5) via mounting members 37, respectively. It is designed to be rotationally driven by a motor 38 which is driven. 8, a pair of driven pulleys 33 are arranged in a V-shape when viewed from the component conveying direction, and are attached to a slide plate 36 (see FIG. 5) via two mounting members 39a and 39b. It is rotatably attached to the outer circumference of a fixed support shaft 40 . Although not shown, a pair of tension pulleys 34 are also arranged in a V-shape when viewed from the component conveying direction, and each is attached to a slide plate 36 in such a manner that the position in the pressing direction against the round belt 31 can be adjusted. ing.

また、図６に示すように、駆動プーリ３２と従動プーリ３３の間には、丸ベルト３１の送り側部分をほぼ全長にわたって案内する帯板状のベルトガイド４１が設けられている。そのベルトガイド４１は、図９に示すように、一対が部品搬送方向から見てハの字状に配され、それぞれスライドプレート３６（図５参照）に取付部材４２を介して固定されている。 As shown in FIG. 6, between the drive pulley 32 and the driven pulley 33, a strip-shaped belt guide 41 is provided to guide the feeding side portion of the round belt 31 over substantially the entire length thereof. As shown in FIG. 9, a pair of belt guides 41 are arranged in a V shape when viewed from the component conveying direction, and are fixed to the slide plate 36 (see FIG. 5) via mounting members 42, respectively.

これにより、モータ３８で駆動プーリ３２を回転駆動すると、丸ベルト３１がテンションプーリ３４に適切な張力を付与され、駆動プーリ３２および従動プーリ３３との滑りがない状態で、ベルトガイド４１に案内されてスムーズに走行するようになっている。 As a result, when the drive pulley 32 is driven to rotate by the motor 38, the round belt 31 is given an appropriate tension to the tension pulley 34 and is guided by the belt guide 41 without slipping between the drive pulley 32 and the driven pulley 33. and run smoothly.

そして、前述のように２本の丸ベルト３１の隙間は部品Ｐの一端部（大径側端部）よりも狭く、他端部（小径側端部）よりも広く設定されているので、両丸ベルト３１の間へ軸方向を部品搬送方向に向けた姿勢で連結シュート２から供給された部品Ｐは、その一端部を両側の丸ベルト３１に支持され、他端（小径側端部）を下方に向けた状態に整列されて搬送されていき、下流端から排出シュート３を介して次工程へ送られる。 As described above, the gap between the two round belts 31 is set to be narrower than one end (large diameter side end) of the component P and wider than the other end (small diameter side end). The part P supplied from the connecting chute 2 with the axial direction directed to the part conveying direction between the round belts 31 is supported by the round belts 31 on both sides at one end thereof, and the other end (small diameter side end) is supported by the round belts 31 on both sides. They are aligned downward and conveyed, and sent to the next process from the downstream end via the discharge chute 3 .

また、図５および図６に示すように、前記各スライドプレート３６は、その下面に固定された２つのスライドブロック４３が、装置幅方向に延びる状態で基台３５上面に固定されたレール状のスライドガイド４４に摺動自在に嵌合して、基台３５に装置幅方向にスライド可能に支持されるとともに、２本のスライドガイド４４の間で装置幅方向に延びる連結軸４５に設けられた雄ねじ部にねじ結合している。その連結軸４５は、一端部が基台３５の一側部の上面に設けられた支持部材４６に回転自在に支持され、他端部がカップリング４７を介して基台３５の他側部の上面に設けられたモータ４８に接続されている。そして、連結軸４５の雄ねじ部は、スライドプレート３６の一方にねじ結合する部分と他方にねじ結合する部分が互いに逆向きに形成されている。これにより、モータ４８を駆動すると、連結軸４５が回転して、両スライドプレート３６が互いに逆向きに装置幅方向に移動し、２本の丸ベルト３１の平行状態を維持したまま、２本の丸ベルト３１の隙間を調整できるようになっているので、部品サイズの変更に対しても容易に対応することができる。 As shown in FIGS. 5 and 6, each slide plate 36 has a rail-like shape in which two slide blocks 43 fixed to the lower surface thereof are fixed to the upper surface of the base 35 in a state in which they extend in the width direction of the device. It is slidably fitted to the slide guide 44 and slidably supported by the base 35 in the device width direction, and is provided on the connecting shaft 45 extending in the device width direction between the two slide guides 44 . It is screwed to the male screw part. One end of the connecting shaft 45 is rotatably supported by a support member 46 provided on the upper surface of one side of the base 35 , and the other end is attached to the other side of the base 35 via a coupling 47 . It is connected to a motor 48 provided on the top surface. The externally threaded portion of the connecting shaft 45 has a portion that is screwed to one side of the slide plate 36 and a portion that is screwed to the other side of the slide plate 36 in opposite directions. As a result, when the motor 48 is driven, the connecting shaft 45 rotates, and the two slide plates 36 move in opposite directions in the apparatus width direction. Since the gap between the round belts 31 can be adjusted, it is possible to easily cope with changes in component sizes.

なお、上記のように２本の丸ベルト３１の隙間を調整する際の機械的な干渉を避けるために、スライドプレート３６のオーバラン確認用のセンサ４９ａ、４９ｂおよび原点確認用のセンサ４９ｃが基台３５の上面に設けられている。 In order to avoid mechanical interference when adjusting the gap between the two round belts 31 as described above, the sensors 49a and 49b for confirming the overrun of the slide plate 36 and the sensor 49c for confirming the origin are mounted on the base. 35 is provided on the upper surface.

この部品整列装置は、上記の構成であり、上流側の軸方向整列部１０では、並列に配した複数の丸ベルト１１の速度差により、ランダムな姿勢で供給された部品Ｐを、確実に軸方向が部品搬送方向に向く状態（前後方向はランダム状態）に整列させて下流端から円錐方向整列部３０へ送り込むことができ、円錐方向整列部３０では、軸方向整列部１０から送られてきた部品Ｐを、並列に配した２本の丸ベルト３１の間で確実に他端（小径側）が下方に向く状態に整列させて下流端から次工程に送ることができる。 This component aligning device has the above configuration, and in the upstream axial aligning section 10, the components P supplied in random postures are reliably aligned on the axis by the speed difference of the plurality of round belts 11 arranged in parallel. The components can be aligned in the direction in which the components are conveyed (random in the front-rear direction) and sent from the downstream end to the conical alignment section 30. In the conical alignment section 30, the components are sent from the axial alignment section 10. The parts P can be reliably aligned between the two round belts 31 arranged in parallel so that the other end (smaller diameter side) faces downward, and can be sent from the downstream end to the next process.

したがって、整列した部品を無端の平ベルトの両側方に排出する従来のものに比べてコンパクトな構造となるし、部品サイズの変更に対しても、丸ベルト１１、３１どうしの間の隙間の調整によって容易に対応できるので、部品交換を要する段取作業がなく、低コストで効率よく段取作業を行うことができる。 Therefore, the structure is more compact than the conventional one in which aligned parts are discharged on both sides of the endless flat belt, and the gap between the round belts 11 and 31 can be adjusted in response to changes in the size of the parts. Therefore, there is no setup work that requires replacement of parts, and the setup work can be performed efficiently at low cost.

また、軸方向整列部１０では、各丸ベルト１１を、互いに直径が異なり、１つのモータ１９によって回転駆動される駆動プーリ１３ａ～１３ｅに１本ずつ巻き掛けているので、この点でも装置全体の構造がコンパクトなものとなっている。そして、下流側に設けた案内板２８と複数の丸ベルト１１の速度差の作用により整列した部品Ｐが一列で排出されるようになっているので、簡単な構造の連結シュート２だけで排出された部品Ｐを円錐方向整列部３０へ送ることができ、軸方向整列部１０を円錐方向整列部３０に接続するのに複雑な機構を必要としない。 In addition, in the axial alignment section 10, the round belts 11 are wound one by one around the drive pulleys 13a to 13e, which have different diameters and are rotationally driven by a single motor 19. The structure is compact. The aligned parts P are discharged in a row by the action of the speed difference between the guide plate 28 provided on the downstream side and the plurality of round belts 11, so that they can be discharged only by the connection chute 2 having a simple structure. The assembled parts P can be sent to the conical aligning section 30 and no complicated mechanism is required to connect the axial aligning section 10 to the conical aligning section 30 .

今回開示された実施の形態はすべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は、上記した意味ではなく、特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。 It should be considered that the embodiments disclosed this time are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the scope of the claims rather than the meaning described above, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

例えば、軸方向整列部では丸ベルトの速度差は任意に設定できるし、その速度差を丸ベルトに付与するためのモータは複数にすることもできる。また、軸方向整列部の丸ベルトの本数は２本以上であれば任意に設定できるし、軸方向整列部に案内板を設けない場合には円錐方向整列部の丸ベルトの本数を軸方向整列部の本数に応じて増やすことも考えられる。そして、丸ベルトの材質も、ポリウレタンに限らず、部品に傷をつけにくく、部品との間に適度な摩擦を生じるものであればよい。さらに、丸ベルトは他の形態の無端ベルトに代えることもでき、断面が丸形状に限らず、四角や三角形状のもので複数本並列に配置できるものであればよい。また、軸方向整列部では断面Ｖ字状のものや樋状のもの、円錐方向整列部では断面角形のもの等を用いることが考えられる。 For example, the speed difference of the round belt can be arbitrarily set at the axial alignment portion, and a plurality of motors can be used to apply the speed difference to the round belt. In addition, the number of round belts in the axial alignment portion can be set arbitrarily as long as it is two or more. It is also conceivable to increase it according to the number of parts. Further, the material of the round belt is not limited to polyurethane as long as it does not easily damage the parts and produces an appropriate amount of friction with the parts. Furthermore, the round belt can be replaced with endless belts of other shapes, and the cross section is not limited to a circular shape, and any belt having a square or triangular shape may be used as long as a plurality of belts can be arranged in parallel. Further, it is conceivable to use a V-shaped cross section or gutter-shaped cross section for the axial alignment portion, and a square cross section for the conical alignment portion.

また、実施形態では、軸方向整列部１０の下流端を円錐方向整列部３０の上流端に接続したが、軸方向整列部のみを有する部品整列装置や、円錐方向整列部のみを有する部品整列装置を単独で使用することもできる。 Further, in the embodiment, the downstream end of the axial aligning section 10 is connected to the upstream end of the conical aligning section 30, but a parts aligning apparatus having only an axial aligning section or a parts aligning apparatus having only a conical aligning section may be used. can also be used alone.

そして、本発明は、実施形態で説明したような円錐ころを整列対象とする部品整列装置に限らず、軸方向の一端側が他端側よりも大径に形成された筒状の部品を搬送しながら整列させる部品整列装置に広く適用できる。 Further, the present invention is not limited to a parts aligning device for aligning tapered rollers as described in the embodiment, and conveys tubular parts having a larger diameter at one end side in the axial direction than at the other end side. It can be widely applied to a component aligning device that aligns while

１ 桟付きベルトコンベア
２ 連結シュート
３ 排出シュート
１０ 軸方向整列部
１１ 無端の丸ベルト（無端ベルト）
１２ 基台
１３ａ～１３ｅ 駆動プーリ
１４ 上流側従動プーリ
１５ 下流側従動プーリ
１９ モータ
２３ａ～２３ｅ テンションプーリ
２６、２７ 側板
２８ 案内板
２８ａ 斜板部
２８ｂ 平行部
３０ 円錐方向整列部
３１ 無端の丸ベルト（無端ベルト）
３２ 駆動プーリ
３３ 従動プーリ
３４ テンションプーリ
３５ 基台
３６ スライドプレート
３８ モータ
４１ ベルトガイド
４３ スライドブロック
４４ スライドガイド
４５ 連結軸
４８ モータ
Ｐ 部品（円錐ころ） 1 Belt conveyor with crosspiece 2 Connection chute 3 Discharge chute 10 Axial alignment part 11 Endless round belt (endless belt)
12 bases 13a to 13e drive pulley 14 upstream driven pulley 15 downstream driven pulley 19 motors 23a to 23e tension pulleys 26, 27 side plate 28 guide plate 28a swash plate portion 28b parallel portion 30 conical alignment portion 31 endless round belt ( endless belt)
32 Drive pulley 33 Driven pulley 34 Tension pulley 35 Base 36 Slide plate 38 Motor 41 Belt guide 43 Slide block 44 Slide guide 45 Connecting shaft 48 Motor P Parts (tapered rollers)

Claims (6)

筒状の部品を搬送しながら整列させる部品整列装置において、
前記部品を載せて部品搬送方向に走行する無端ベルトを複数並列に配した軸方向整列部を有し、
前記各無端ベルトは、１つのモータによって回転駆動される１つの駆動軸の外周に嵌合固定された複数の駆動プーリに１本ずつ巻き掛けられ、
前記各駆動プーリは、全てが異なる直径を有し、前記駆動軸の軸方向で直径が次第に変化するように配されており、
前記軸方向整列部では、前記各無端ベルトが全て異なる速度で走行し、少なくとも２つの無端ベルトに跨って載せられた部品が、その部品を載せた各無端ベルトの速度差によって、軸方向を部品搬送方向に向けた状態に整列されて搬送されるようにしたことを特徴とする部品整列装置。 In a parts aligning device that aligns cylindrical parts while conveying them,
Having an axial alignment unit in which a plurality of endless belts that run in the component conveying direction on which the components are placed are arranged in parallel,
Each of the endless belts is wound one by one around a plurality of drive pulleys fitted and fixed to the outer periphery of one drive shaft that is rotationally driven by one motor,
each of the drive pulleys has a different diameter and is arranged such that the diameter changes gradually in the axial direction of the drive shaft;
In the axial alignment section, the endless belts all run at different speeds, and a component placed across at least two endless belts moves in the axial direction due to the speed difference between the endless belts on which the component is placed. A parts aligning device characterized in that the parts are aligned and conveyed in a state in which they are oriented in the conveying direction. 前記軸方向整列部は、その下流側部分に、前記無端ベルトの列の上方で部品搬送方向に対して水平面内で斜めに交差する方向に延びる案内板が設けられており、
前記案内板に突き当たった部品が一列に整列されて下流側へ向かうようにしたことを特徴とする請求項１に記載の部品整列装置。 The axial alignment portion is provided with a guide plate extending in a direction obliquely intersecting the component conveying direction in a horizontal plane above the row of the endless belts at a downstream portion thereof,
2. The parts aligning device according to claim 1, wherein the parts that collide with the guide plate are arranged in a line and directed toward the downstream side. 前記部品が軸方向の一端側が他端側よりも大径に形成された円錐型のものであり、
前記軸方向整列部の下流端に、部品搬送方向に走行する無端ベルトを複数並列に配し、隣り合う無端ベルトどうしの隙間を前記部品の一端部よりも狭く他端部よりも広く設定した円錐方向整列部を接続し、
前記円錐方向整列部では、前記無端ベルトどうしの間へ供給された部品が、その一端部を両側の無端ベルトに支持され、他端を下方に向けた状態に整列されて搬送されるようにしたことを特徴とする請求項１または２に記載の部品整列装置。 The component is conical in shape with one end side in the axial direction having a larger diameter than the other end side,
A plurality of endless belts running in the component conveying direction are arranged in parallel at the downstream end of the axial alignment portion, and the gap between adjacent endless belts is set narrower than one end of the component and wider than the other end of the component. Connect the direction alignment part,
In the conical aligning section, the parts supplied between the endless belts are aligned and transported with one end supported by the endless belts on both sides and the other end directed downward. 3. The component aligning device according to claim 1 or 2, characterized in that: 前記軸方向整列部の無端ベルトが丸ベルトであることを特徴とする請求項１乃至３のいずれかに記載の部品整列装置。 4. The parts aligning device according to claim 1, wherein the endless belt of said axial aligning portion is a round belt. 前記円錐方向整列部の無端ベルトが丸ベルトであることを特徴とする請求項３に記載の部品整列装置。 4. The parts aligning device according to claim 3, wherein the endless belt of the conical aligning portion is a round belt. 前記部品が円錐ころ軸受に組み込まれる円錐ころであることを特徴とする請求項１乃至５のいずれかに記載の部品整列装置。 6. The component alignment device according to claim 1 , wherein said component is a tapered roller incorporated in a tapered roller bearing.
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