JP2014069958A - Component alignment device - Google Patents

Component alignment device Download PDF

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JP2014069958A
JP2014069958A JP2012219341A JP2012219341A JP2014069958A JP 2014069958 A JP2014069958 A JP 2014069958A JP 2012219341 A JP2012219341 A JP 2012219341A JP 2012219341 A JP2012219341 A JP 2012219341A JP 2014069958 A JP2014069958 A JP 2014069958A
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component
aligning
alignment
diameter
axial direction
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JP5660339B2 (en
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Shujiro Kuribayashi
周二郎 栗林
Tomio Kurauchi
十三雄 倉内
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Toyota Motor Corp
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Toyota Motor Corp
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Priority to PCT/IB2013/002006 priority patent/WO2014053892A1/en
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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
    • B65G47/22—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
    • B65G47/256—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles removing incorrectly orientated 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)

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive component alignment device capable of simply and surely aligning the directions of components different in diameter between one end and the other end in the axial direction.SOLUTION: A component from a chute 1 is sent with its axial direction pointed at a specific direction in a direction orthogonal to the specific direction by a component axial direction aligning part 2. A component aligning device includes a component direction aligning part 3 having a gutter-shaped part 3a which is arcuate in a cross section and which is inclined downward in the direction intersecting the specific direction, so that a component fed into the gutter-shaped part 3a from the component axial direction aligning part 2 is caused to roll and flow down by its dead load and aligned in the direction by a difference in diameter between both ends. When a difference exists in diameter between both ends of the component, a large-diameter part is increased in peripheral speed more than a small-diameter part to precede the small-diameter part, and at the downstream end of the gutter-shaped part 3a, the component W is always aligned with the large-diameter part pointed at the downstream side (aligned in the direction).

Description

本発明は、軸方向の一端側と他端側で異なる形状を有する部品を方向整列する部品整列装置に関するものである。   The present invention relates to a component aligning device that directionally aligns components having different shapes on one end side and the other end side in the axial direction.

従来から、軸方向の一端側と他端側で異なる形状を有する部品、例えば不等ピッチスプリングを方向整列する装置として、特許文献１に記載するようなものがあった。
これは、整列対象である部品（スプリング）の外周をレーザスリット光で照射し、部品からの反射光だけをフィルタを通してカメラに入射させて部品の被照明部分を撮像し、その画像を処理して部品の向きを判定する、というものである。このような従来技術においては、逆方向に向いた部品は反転装置によって反転させる。 Conventionally, as a device for directional alignment of parts having different shapes on one end side and the other end side in the axial direction, for example, unequal pitch springs, there has been one described in Patent Document 1.
This is because the outer periphery of the component (spring) to be aligned is irradiated with laser slit light, and only the reflected light from the component is incident on the camera through a filter to image the illuminated part of the component, and the image is processed. This is to determine the orientation of the part. In such a conventional technique, a component facing in the reverse direction is reversed by a reversing device.

特開平０５−３４０７３９号公報JP 05-340739 A

上記従来装置では、部品の向きを高精度で自動的に判定できるが、レーザ照明部や撮像部が必要になるため装置が高価になる。また、逆方向に向いた部品は反転装置によって反転させることになるが、これによっても装置が高価になる。   In the above conventional apparatus, the orientation of the component can be automatically determined with high accuracy, but the apparatus becomes expensive because a laser illumination unit and an imaging unit are required. Moreover, although the components facing in the reverse direction are reversed by the reversing device, this also makes the device expensive.

本発明は、軸方向の一端側と他端側で異なる形状、特に径が異なる形状を有する部品（以下、単に径が異なる部品と記す。）の方向整列を簡単、確実に行える安価な部品整列装置を提供することを課題とする。   The present invention is an inexpensive part alignment that allows easy and reliable direction alignment of parts having different shapes on one end side and the other end side in the axial direction, particularly parts having different diameters (hereinafter simply referred to as parts having different diameters). It is an object to provide an apparatus.

上記課題は、部品整列装置を下記各態様の構成とすることによって解決される。
各態様は、請求項と同様に、項に区分し、各項に番号を付し、必要に応じて他の項の番号を引用する形式で記載する。これは、あくまでも本発明の理解を容易にするためであり、本明細書に記載の技術的特徴及びそれらの組合わせが以下の各項に記載のものに限定されると解釈されるべきではない。また、１つの項に複数の事項が記載されている場合、それら複数の事項を常に一緒に採用しなければならないわけではなく、一部の事項のみを取り出して採用することも可能である。 The above-described problems can be solved by configuring the component aligning apparatus according to the following aspects.
As with the claims, each aspect is divided into sections, each section is numbered, and is described in a form that cites the numbers of other sections as necessary. This is merely for the purpose of facilitating the understanding of the present invention, and the technical features described in this specification and combinations thereof should not be construed as being limited to those described in the following sections. . In addition, when a plurality of items are described in one section, it is not always necessary to employ the plurality of items together, and it is also possible to take out only a part of the items and employ them.

以下の各項のうち、（１）項が請求項１に、（２）項が請求項２に、（３）項が請求項３に、（４）項が請求項４に、（５）項が請求項５に、各々対応する。   Of the following items, (1) is in claim 1, (2) is in claim 2, (3) is in claim 3, (4) is in claim 4, (5) The terms correspond to claim 5 respectively.

（１） 軸方向の一端側と他端側で径が異なる部品を方向整列する部品整列装置であって、シュートからの前記部品を、その軸方向を特定方向に向けた状態で該特定方向に交差する方向に送り出す部品軸方向整列部と、前記特定方向に交差する方向に下り傾斜する溝部を有し、該溝部に前記部品軸方向整列部から送り込まれた部品を流下させ方向整列させる部品方向整列部と、を具備することを特徴とする部品整列装置。
（２） 前記溝部の下流側には、適正方向とは逆方向に向いた部品を落下排出させる落とし穴が穿設されていることを特徴とする（１）項に記載の部品整列装置。
（３） 前記部品方向整列部は、前記溝部が横断面弧状の樋状部であって、該樋状部に前記部品軸方向整列部から送り込まれた部品を自重で流下させ、その両端側間の径差によって方向整列させることを特徴とする（１）項又は（２）項に記載の部品整列装置。
（４） 前記樋状部の横断面形状は、該樋状部の傾斜方向に交差する方向に軸方向が向けられて部品が送り込まれた際に、該部品の大径部と小径部がその樋状部の内周面に接する弧状をなすことを特徴とする（３）項に記載の部品整列装置。
（５） 前記部品方向整列部により方向整列され、該部品方向整列部から落下する部品を、その小径部側を上方に向けた状態で受けて定置させる部品直立規制部を具備することを特徴とする（１）項ないし（４）項のいずれか１の項に記載の部品整列装置。 (1) A component aligning device that aligns components having different diameters on one end side and the other end side in the axial direction, and the component from the chute is placed in the specific direction with the axial direction thereof directed to the specific direction. A component direction that has a component axial direction alignment portion that is sent out in the intersecting direction and a groove portion that is inclined downward in the direction that intersects the specific direction, and that causes the component fed from the component axial direction alignment portion to flow down and align in the direction. An apparatus for aligning parts, comprising: an alignment unit.
(2) The component aligning device according to (1), wherein a pit for dropping and discharging a component oriented in a direction opposite to an appropriate direction is formed on the downstream side of the groove.
(3) The component direction aligning portion is a bowl-shaped portion having an arc-shaped cross section, and the parts fed from the component axial direction aligning portion are caused to flow down by its own weight to the flange-shaped portion. The parts alignment apparatus according to item (1) or (2), wherein the direction alignment is performed based on a difference in diameter between the components.
(4) The cross-sectional shape of the bowl-shaped part is such that when the part is fed with the axial direction directed in a direction intersecting the inclination direction of the bowl-shaped part, the large-diameter part and the small-diameter part of the part are The component aligning device according to item (3), wherein the component aligning device has an arc shape in contact with the inner peripheral surface of the bowl-shaped portion.
(5) It is provided with a component upright restricting portion for receiving and placing a component that is directionally aligned by the component direction aligning portion and that falls from the component direction aligning portion with its small diameter portion facing upward. The component aligning device according to any one of (1) to (4).

（１）項に記載の発明によれば、軸方向の一端側と他端側で異なる形状、特に径が異なる部品の方向整列を簡単、確実に行える安価な部品整列装置を提供できる。
（２）項に記載の発明によれば、簡単な構成で、方向整列されなかった部品を溝部の下流端に達する前に排除できる。
（３）項に記載の発明によれば、径が異なる部品の方向整列をより簡単、確実に行える安価な部品整列装置を提供できる。
（４）項に記載の発明によれば、（３）項に記載の部品整列装置において、部品方向整列部における部品の方向整列作用を確実、迅速に行わせ得る。
（５）項に記載の発明によれば、部品方向整列部により方向整列されて落下する部品を、小径部側を上方に向けた状態で受けて定置でき、例えば部品組付工程等の次工程への供給に便宜を図ることができる。 According to the invention described in the item (1), it is possible to provide an inexpensive component aligning device that can easily and reliably align the direction of components having different shapes, particularly, different diameters, on one end side and the other end side in the axial direction.
According to the invention described in the item (2), it is possible to eliminate a part which has not been directionally aligned before reaching the downstream end of the groove portion with a simple configuration.
According to the invention described in the item (3), it is possible to provide an inexpensive component aligning device that can easily and reliably align the direction of components having different diameters.
According to the invention described in item (4), in the component aligning device described in item (3), the component direction aligning operation in the component direction aligning portion can be performed reliably and quickly.
According to the invention described in item (5), a component that is directionally aligned by the component direction aligning portion and that falls can be received and placed with the small diameter portion facing upward, for example, the next step such as a component assembling step. Convenient for supply to

本発明の一実施形態に係る部品整列装置（本発明装置）の概要を示す斜視図である。It is a perspective view which shows the outline | summary of the components alignment apparatus (present invention apparatus) which concerns on one Embodiment of this invention. 同じく概略平面図である。Similarly, it is a schematic plan view. 図２中のIII−III線断面矢視図である。It is the III-III sectional view taken on the line in FIG. 図２中のIV−IV線断面矢視図である。FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2. 図２中のV−V線断面矢視図である。It is the VV sectional view taken on the line in FIG. 本発明装置の部品方向整列部における部品方向整列の原理説明図である。It is principle explanatory drawing of the component direction alignment in the component direction alignment part of this invention apparatus. 本発明装置の部品方向整列部に穿設される落とし穴を説明するための平面図である。It is a top view for demonstrating the pitfall drilled in the components direction alignment part of this invention apparatus.

以下、本発明の実施の形態を図面に基づき説明する。なお、各図間において、同一符号は同一又は相当部分を示す。
図１及び図２に例示する本発明装置は、軸方向の一端側と他端側で、ここでは一端と他端で径が異なる形状を有する、例えば柱状や棒状の部品（ワーク）Ｗを方向整列する部品整列装置である。具体的には、部品Ｗを、その軸方向を上下方向に向け、のみならず大径部側を下方（小径部側を上方）に向ける部品整列装置である。
この部品整列装置は、図示例では、シュート１、部品軸方向整列部２、部品方向整列部３及び部品直立規制部４を備えてなる。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the same code | symbol shows the same or an equivalent part between each figure.
The apparatus of the present invention illustrated in FIG. 1 and FIG. 2 has a shape with different diameters at one end side and the other end side in the axial direction, and here, for example, a columnar or rod-shaped component (work) W. This is an apparatus for aligning parts. Specifically, it is a component aligning device that directs the component W in the vertical direction and also directs the large-diameter portion side downward (the small-diameter portion side upward).
In the illustrated example, the component aligning apparatus includes a chute 1, a component axial direction aligning portion 2, a component direction aligning portion 3, and a component upright restricting portion 4.

整列対象である部品Ｗとしては、軸方向の一端と他端で径が異なる、具体的には先端部分の巻きが細くなっているコイルスプリングが挙げられる。
シュート１は、パーツフィーダ（Ｐ／Ｆ）からの部品Ｗを自重で部品軸方向整列部２に送る下り傾斜の横断面ほぼＵ字状の樋状体である。 Examples of the parts W to be aligned include coil springs having different diameters at one end and the other end in the axial direction.
The chute 1 is a bowl-shaped body having a substantially U-shaped cross-section with a downward slope that feeds the part W from the parts feeder (P / F) to the part axial alignment unit 2 by its own weight.

部品軸方向整列部２は、シュート１からの部品Ｗを、その軸方向を特定方向に向けた状態で同特定方向に交差する方向、基本的には図２に示すように直交する方向に送り出す（部品方向整列部３に送り込む）装置部である。この部品軸方向整列部２は、例えばＶブロック２ａと、各々一対の落下防止板２ｂ，２ｃ及びガイド板２ｄ，２ｅとを備えてなる（図３及び図４参照）。   The component axial alignment unit 2 sends the component W from the chute 1 in a direction intersecting the specific direction with the axial direction directed to the specific direction, basically in a direction orthogonal as shown in FIG. It is a device unit (feeding into the component direction alignment unit 3). The component axial alignment unit 2 includes, for example, a V block 2a, and a pair of fall prevention plates 2b and 2c and guide plates 2d and 2e (see FIGS. 3 and 4).

上記Ｖブロック２ａは、図１及び図２に示すシュート１からの部品Ｗを、シュート１の傾斜方向（延出方向）と同方向にその延出方向が向けられたＶ溝２ｆ上に溝端から受け入れ、部品Ｗの軸方向を整列する部材で、上下動可能である。
一対の落下防止板（前後落下防止板）２ｂ，２ｃは、シュート１からの部品ＷをＶブロック２ａのＶ溝２ｆ上に位置決めさせる部材である。
一対のガイド板２ｄ，２ｅは、Ｖブロック２ａが部品位置決め位置から下降することによって、部品Ｗを部品方向整列部３の入口に向けて送り出す部材である。このような機能を果たすため、一対のガイド板２ｄ，２ｅは、前後落下防止板２ｂ，２ｃの内側に位置し、上端面２ｇ，２ｈが部品方向整列部３の入口に対して遠い奥側から近い手前側に向かって下り傾斜する形状とされている。 The V block 2a allows the component W from the chute 1 shown in FIG. 1 and FIG. 2 to extend from the groove end on the V groove 2f whose extending direction is directed in the same direction as the inclination direction (extending direction) of the chute 1. It is a member that receives and aligns the axial direction of the part W, and can move up and down.
The pair of fall prevention plates (front and rear fall prevention plates) 2b and 2c are members for positioning the component W from the chute 1 on the V groove 2f of the V block 2a.
The pair of guide plates 2 d and 2 e are members that send the component W toward the inlet of the component direction aligning section 3 when the V block 2 a is lowered from the component positioning position. In order to fulfill such a function, the pair of guide plates 2d and 2e are located inside the front and rear fall prevention plates 2b and 2c, and the upper end surfaces 2g and 2h are from the far side far from the entrance of the component direction alignment portion 3. The shape is inclined downward toward the near side.

部品方向整列部３は、部品軸方向整列部２から部品Ｗを送り出す方向と同方向に下り傾斜（延出）する溝部、図示例では横断面弧状の樋状部３ａを有し、同樋状部３ａに部品軸方向整列部２から送り込まれた部品Ｗを自重で転動流下させ、その両端間の径差によって部品Ｗを方向整列させる装置部である。
具体的には、部品軸方向整列部２から送り込まれた部品Ｗを、その軸方向を樋状部３ａの傾斜方向（延出方向）に向け、のみならず大径部側を下流側（小径部側を上流側）に向けさせる装置部である。 The component direction aligning portion 3 has a groove portion that slopes downward (extends) in the same direction as the direction in which the component W is sent out from the component axial direction aligning portion 2, and has a hook-shaped portion 3 a having an arcuate cross section in the illustrated example. This is a device unit that causes the part W fed from the part axial alignment part 2 to roll down under its own weight and causes the part W to be directionally aligned by the difference in diameter between both ends.
Specifically, the component W fed from the component axial direction aligning portion 2 has its axial direction directed to the inclined direction (extending direction) of the bowl-shaped portion 3a, and not only the large diameter portion but the downstream side (small diameter). It is a device part that directs the part side toward the upstream side.

樋状部３ａは、上記のように部品Ｗを方向整列させるために、その横断面形状を次のように形成している。
すなわち、樋状部３ａの横断面形状は、部品軸方向整列部２から部品Ｗが送り出された際に、つまり樋状部３ａの傾斜方向に直交する方向に軸方向が向けられて部品Ｗが部品軸方向整列部２から送り込まれた際に、同部品Ｗの大径部と小径部のみがその樋状部３ａの内周面に接する弧状をなしている。
図５は、このような樋状部３ａの横断面形状を例示する。同図５において、Ｐ１は部品Ｗの大径部が樋状部３ａの内周面に接する点を示し、Ｐ２は部品Ｗの小径部が樋状部３ａの内周面に接する点を示す。 In order to align the parts W in the direction as described above, the hook-shaped portion 3a has a cross-sectional shape formed as follows.
That is, the cross-sectional shape of the hook-shaped portion 3a is such that when the component W is sent out from the component axial direction aligning portion 2, the axial direction is oriented in a direction perpendicular to the inclination direction of the hook-shaped portion 3a. When fed from the component axial direction alignment portion 2, only the large-diameter portion and the small-diameter portion of the component W form an arc shape in contact with the inner peripheral surface of the bowl-shaped portion 3a.
FIG. 5 illustrates the cross-sectional shape of such a bowl-shaped portion 3a. In FIG. 5, P1 indicates a point where the large diameter portion of the component W is in contact with the inner peripheral surface of the flange-shaped portion 3a, and P2 indicates a point where the small diameter portion of the component W is in contact with the inner peripheral surface of the flange-shaped portion 3a.

樋状部３ａの横断面形状が、上記のように部品Ｗの大径部と小径部のみがその樋状部３ａの内周面に接する弧状に形成されると、樋状部３ａに送り込まれた部品Ｗは次のように方向整列される。
すなわち部品Ｗは、樋状部３ａの下流端（部品方向整列部３の出口）に達するまでに、その軸方向が樋状部３ａの傾斜方向に向けられ、のみならず大径部側が下流側（小径部側が上流側）に向けられる。 When the cross-sectional shape of the hook-shaped portion 3a is formed in an arc shape in which only the large diameter portion and the small diameter portion of the component W are in contact with the inner peripheral surface of the hook-shaped portion 3a as described above, the hook-shaped portion 3a is fed into the hook-shaped portion 3a. The parts W are aligned in the following manner.
That is, by the time the part W reaches the downstream end of the bowl-shaped part 3a (the exit of the part-direction alignment part 3), its axial direction is directed to the inclined direction of the bowl-shaped part 3a, and not only the large-diameter part side is the downstream side. (Small diameter part side is directed upstream).

このような部品Ｗの方向整列作用を図６を参照して説明する。
図６は、樋状部３ａの傾斜方向に直交する方向に軸方向が向けられて部品軸方向整列部２から樋状部３ａに部品Ｗが送り込まれた際に、その大径部が部品軸方向の左側Ｌ又は右側Ｒのどちら側に位置しても、樋状部３ａの下流端に達するまでには常に大径部側が下流側に向けられる原理を示す。
初めに、部品Ｗの大径部が軸方向の左側Ｌに位置する場合について説明すると、この場合は、部品ＷLが自重で転動流下し始めると、
部品ＷLの大径部が描く円弧ＡlL側の周速V（大）は、V（大）＝r（大）＊ωとなり、
部品ＷLの小径部が描く円弧ＡsL側の周速V（小）は、V（小）＝r（小）＊ωとなる。
ただし、V：周速（ｍ／ｓ）、r：部品Ｗの大，小径部の外径（ｍ）、ω：回転角速度（ｒａｄ／ｓ）とする。
すなわち、部品ＷLの大径部の転動流下時の周速は小径部の周速よりも高くなって、部品ＷLの大径部が小径部よりも先行し、樋状部３ａの延出長さを適宜設定すれば、部品ＷLは、樋状部３ａの下流端に達するまでにその大径部側が下流側に向く。
次に、部品Ｗの大径部が軸方向の右側Ｒに位置する場合について説明する。
この場合も上記と同様に、部品ＷRの大径部の転動流下時の周速は小径部の周速よりも高くなって、部品ＷRの大径部が小径部よりも先行し、部品ＷRは、樋状部３ａの下流端に達するまでにその大径部側が下流側に向く（図６中の部品ＷRの大径部が描く円弧ＡlR、小径部が描く円弧ＡsR参照）。 Such a direction aligning action of the parts W will be described with reference to FIG.
FIG. 6 shows that when the component W is fed from the component axis direction alignment portion 2 to the flange portion 3a in the direction orthogonal to the inclination direction of the flange portion 3a, the large diameter portion is the component axis. Regardless of which side is located on the left side L or right side R of the direction, the principle that the large-diameter portion side is always directed to the downstream side before reaching the downstream end of the bowl-shaped portion 3a is shown.
First, the case where the large diameter portion of the part W is positioned on the left side L in the axial direction will be described. In this case, when the part WL starts to roll down under its own weight,
The peripheral speed V (large) on the side of the arc AlL drawn by the large diameter part of the part WL is V (large) = r (large) * ω,
The peripheral speed V (small) on the side of the arc AsL drawn by the small diameter part of the part WL is V (small) = r (small) * ω.
However, V: peripheral speed (m / s), r: outer diameter (m) of the large and small diameter parts of the component W, and ω: rotational angular velocity (rad / s).
That is, the peripheral speed at the time of rolling flow of the large diameter part of the part WL becomes higher than the peripheral speed of the small diameter part, the large diameter part of the part WL precedes the small diameter part, and the extension length of the bowl-shaped part 3a. If the length is appropriately set, the large diameter portion side of the component WL faces the downstream side before reaching the downstream end of the bowl-shaped portion 3a.
Next, the case where the large diameter part of the component W is located on the right side R in the axial direction will be described.
Also in this case, similarly to the above, the peripheral speed at the time of rolling flow of the large diameter part of the part WR becomes higher than the peripheral speed of the small diameter part, and the large diameter part of the part WR precedes the small diameter part. , The large-diameter portion side faces the downstream side before reaching the downstream end of the bowl-shaped portion 3a (see the arc AlR drawn by the large-diameter portion of the component WR and the arc AsR drawn by the small-diameter portion in FIG. 6).

部品直立規制部４は、上記部品方向整列部３により方向整列され、同部品方向整列部３から落下する部品Ｗを、その小径部側を上方（大径部側を下方）に向けた状態で受けて台５上に定置させる装置部であって、半円筒状の規制板４ａ及び平板状の規制板４ｂからなる。
なお、図１中の６１は、部品ＷがＶ溝２ｆ上に位置決めされたことを検知するセンサ、６２は、部品直立規制部４により台５上に部品Ｗが定置されたことを検知するセンサである。 The component upright restricting portion 4 is aligned by the component direction aligning portion 3, and the component W falling from the component direction aligning portion 3 is in a state where the small diameter portion is directed upward (the large diameter portion is directed downward). It is an apparatus part which receives and places on the stand 5, Comprising: It consists of the semi-cylindrical control board 4a and the flat control board 4b.
1, 61 is a sensor for detecting that the part W is positioned on the V-groove 2f, and 62 is a sensor for detecting that the part W is placed on the table 5 by the part upright restricting portion 4. It is.

次に、本発明装置の動作について説明する。
まず、パーツフィーダ（Ｐ／Ｆ）から部品Ｗがシュート１に供給されると、同部品Ｗは、自重でシュート１内を滑り落ちて部品軸方向整列部２に至る。
具体的には、シュート１内を滑り落ちてきた部品Ｗは、部品軸方向整列部２のＶブロック２ａのＶ溝２ｆ上に溝端側から進入し、前方側が前落下防止板２ｂで停止され、後方側が後落下防止板２ｃで位置規制されて、同Ｖ溝２ｆ上に位置決めされる。これにより、部品Ｗはその軸方向を特定方向、ここではＶ溝２ｆの延出方向に整列（部品軸方向整列）される。 Next, the operation of the device of the present invention will be described.
First, when the part W is supplied to the chute 1 from the parts feeder (P / F), the part W slides down inside the chute 1 by its own weight and reaches the part axial alignment unit 2.
Specifically, the component W that has slid down in the chute 1 enters the V groove 2f of the V block 2a of the component axial alignment portion 2 from the groove end side, and the front side is stopped by the front drop prevention plate 2b. The rear side is regulated by the rear drop prevention plate 2c and positioned on the V-groove 2f. As a result, the parts W are aligned in the specific direction, here the extending direction of the V-groove 2f (part axial alignment).

部品ＷがＶ溝２ｆ上に位置決めされたことをセンサ６１が検知すると、Ｖブロック２ａがそれまでの部品位置決め位置から下降する。
すると、一対のガイド板２ｄ，２ｅの上端面２ｇ，２ｈがＶブロック２ａのＶ溝２ｆ上に位置決めされた部品Ｗの軸方向両端部下面に達する。更に、Ｖブロック２ａが下降して一対のガイド板２ｄ，２ｅの上端面２ｇ，２ｈに当接している部品ＷがＶ溝２ｆよりも上方に位置（Ｖ溝２ｆ上から離脱）すると、部品Ｗは一対のガイド板２ｄ，２ｅの上端面２ｇ，２ｈのみに載った状態となる。
すると、一対のガイド板２ｄ，２ｅは、その上端面２ｇ，２ｈが樋状部３ａの上流端（部品方向整列部３の入口）に向かって下り傾斜しているので、部品Ｗはその軸方向がＶ溝２ｆの延出方向に整列（部品軸方向整列）された状態で、樋状部３ａに向けて送り出される。 When the sensor 61 detects that the component W has been positioned on the V groove 2f, the V block 2a is lowered from the previous component positioning position.
Then, the upper end surfaces 2g and 2h of the pair of guide plates 2d and 2e reach the lower surfaces of both axial ends of the component W positioned on the V groove 2f of the V block 2a. Further, when the V block 2a descends and the component W that is in contact with the upper end surfaces 2g and 2h of the pair of guide plates 2d and 2e is positioned above the V groove 2f (disengaged from the V groove 2f), the component W Is placed on only the upper end surfaces 2g and 2h of the pair of guide plates 2d and 2e.
Then, since the upper end surfaces 2g and 2h of the pair of guide plates 2d and 2e are inclined downward toward the upstream end of the bowl-shaped portion 3a (inlet of the component direction aligning portion 3), the component W is in its axial direction. Are sent out toward the bowl-shaped portion 3a in a state where they are aligned in the extending direction of the V-groove 2f (aligned in the component axial direction).

部品Ｗが一対のガイド板２ｄ，２ｅの上端面２ｇ，２ｈに載って下り傾斜を降下する際、部品Ｗの大径部が小径部に先行して下り傾斜を降下し始めるので、部品Ｗの大径部が小径部に僅かに先行して樋状部３ａに送り出されるように作用する。したがって、樋状部３ａ（部品方向整列部３）による部品方向整列作用に対して、部品軸方向整列部２から樋状部３ａへの部品送り出し時において、はずみをつける。   When the component W is placed on the upper end surfaces 2g, 2h of the pair of guide plates 2d, 2e and descends the descending slope, the large diameter portion of the component W starts descending the descending slope before the small diameter portion. The large-diameter portion acts so as to be sent out to the bowl-shaped portion 3a slightly preceding the small-diameter portion. Accordingly, the component direction alignment action by the bowl-shaped portion 3a (part-direction alignment portion 3) is given a splash when the component is fed from the component axial direction alignment portion 2 to the bowl-shaped portion 3a.

部品軸方向整列部２から上記のように樋状部３ａに向けて送り出された部品Ｗは、樋状部３ａの上流端（部品方向整列部３の入口）に送り込まれ、樋状部３ａの下流端（部品方向整列部３の出口）に向かって樋状部３ａ上を自重で転動流下する。
ここで、部品Ｗは一端と他端で径が異なる。また樋状部３ａの横断面形状は、部品軸方向整列部２から部品Ｗが送り込まれた際に、同部品Ｗの大径部と小径部のみがその樋状部３ａの内周面に接する弧状をなしている。したがって、図６を参照して上述したように、樋状部３ａにおける転動流下時の部品Ｗの大径部の周速は小径部の周速よりも高くなって小径部よりも先行し、部品Ｗは樋状部３ａの下流端において常に大径部側が下流側に向く（方向整列される）。
部品直立規制部４は、部品方向整列部３により方向整列され、同部品方向整列部３から落下する部品Ｗを、その小径部側を上方に向けた状態で受けて台５上に定置させる。 The component W sent out from the component axial alignment portion 2 toward the bowl-shaped portion 3a as described above is fed to the upstream end of the bowl-shaped portion 3a (inlet of the component-direction alignment portion 3), and Rolls down on the bowl-shaped portion 3a by its own weight toward the downstream end (exit of the component direction aligning portion 3).
Here, the diameter of the component W is different at one end and the other end. The cross-sectional shape of the bowl-shaped portion 3a is such that when the component W is fed from the component axial alignment portion 2, only the large diameter portion and the small diameter portion of the component W are in contact with the inner peripheral surface of the bowl-shaped portion 3a. It has an arc shape. Therefore, as described above with reference to FIG. 6, the peripheral speed of the large-diameter portion of the component W during rolling flow in the bowl-shaped portion 3 a is higher than the peripheral speed of the small-diameter portion and precedes the small-diameter portion. In the part W, the large-diameter part side always faces the downstream side at the downstream end of the bowl-shaped part 3a (direction alignment).
The component upright restricting portion 4 receives the component W, which is directionally aligned by the component direction aligning portion 3 and falls from the component direction aligning portion 3, with its small diameter portion facing upward, and places it on the table 5.

以上述べた本発明装置によれば、軸方向の一端と他端で径が異なる部品Ｗの方向整列を、レーザ照明部や撮像部等の高価な装置を用いることなく、簡単かつ安価な部品軸方向整列部２と部品方向整列部３とで行うことができる。
特に、部品方向整列部３における部品Ｗの方向整列は、横断面弧状の樋状部３ａにおける部品両端間の径差（部品転動流下時における部品両端間の周速差）によるという自然法則に従って、つまり自動的に行うことができ、かつ確実に行うことができる。したがって、装置を簡単かつ安価に構成でき、また、部品Ｗを反転させる高価な反転装置は不要になる。 According to the apparatus of the present invention described above, the direction alignment of the parts W having different diameters at one end and the other end in the axial direction can be performed easily and inexpensively without using an expensive apparatus such as a laser illumination unit or an imaging unit. This can be performed by the direction alignment unit 2 and the component direction alignment unit 3.
In particular, the direction alignment of the parts W in the part direction alignment part 3 is in accordance with a natural law that is due to the difference in diameter between the two ends of the part in the bowl-shaped part 3a having an arcuate cross section (the peripheral speed difference between the two ends of the part when the part is rolling). That is, it can be done automatically and reliably. Therefore, the device can be configured easily and inexpensively, and an expensive reversing device for reversing the component W is not required.

なお、適正方向、つまり大径部側が下流側になる方向に向いた部品Ｗは落下させずにそのまま流下させ、適正方向とは逆方向に向いた部品Ｗは落下排出させる形状を有した落とし穴７１（図７参照）を樋状部３ａの下流側の幅方向ほぼ中央部に穿設してもよい。
落とし穴７１の形状としては、図７に示すように、部品Ｗの外形状に相似し、かつ、それよりやや大きい形状であって、小径部側を下流側に向けた形状が好例である。
このような落とし穴７１によれば、簡単な構成で、方向整列されなかった部品Ｗを樋状部３ａの下流端に達する前に排除できる。
また上述実施形態では、部品方向整列部３の溝部として横断面弧状の樋状部３ａを用いたが、これのみに限定されない。例えば、横断面逆凸字状（中央部が深溝でその両側が浅溝となっている２段溝）の溝部を用いてもよい。この場合基本的に、全溝幅は部品Ｗの軸方向長さを上回る寸法〔樋状部３ａの幅寸法（図５中の樋状部３ａの左右方向の寸法）とほぼ同様の寸法〕に、中央の深溝の溝幅は部品Ｗの大径部寸法を上回る寸法に設定される。 Note that the part W oriented in the proper direction, that is, the direction in which the large-diameter portion side becomes the downstream side is allowed to flow without dropping, and the part W oriented in the direction opposite to the appropriate direction is dropped and discharged. (Refer to FIG. 7) may be formed in a substantially central portion in the width direction on the downstream side of the bowl-shaped portion 3a.
As the shape of the pit hole 71, as shown in FIG. 7, a shape similar to the outer shape of the component W and slightly larger than that, with the small diameter portion facing the downstream side is a good example.
According to such a pit hole 71, it is possible to eliminate the component W that has not been directionally aligned before reaching the downstream end of the bowl-shaped portion 3a with a simple configuration.
In the above-described embodiment, the hook-shaped portion 3 a having a cross-sectional arc shape is used as the groove portion of the component direction aligning portion 3, but is not limited thereto. For example, you may use the groove part of a cross-section reverse convex shape (a two-step groove | channel where the center part is a deep groove, and the both sides become a shallow groove). In this case, basically, the entire groove width is larger than the axial length of the component W (the width dimension of the hook-shaped part 3a (the dimension substantially the same as the width of the hook-shaped part 3a in FIG. 5)). The groove width of the central deep groove is set to a dimension that exceeds the dimension of the large diameter portion of the component W.

図１に例示するように、押出しアーム部７２等を付設し、部品直立規制部４によって台５上に定置された部品Ｗを部品組付工程等の次工程に送るように構成すれば、部品Ｗを方向整列した直立状態で次工程に送る部品供給装置の部品整列装置部として本発明装置を用いることができる。   As illustrated in FIG. 1, if the push-out arm portion 72 is attached, and the component W placed on the table 5 by the component upright restricting portion 4 is sent to the next step such as the component assembly step, the component The apparatus of the present invention can be used as a part aligning unit of a part supplying apparatus that sends W to the next process in an upright state in which the directions are aligned.

１：シュート、２：部品軸方向整列部、３：部品方向整列部、３ａ：樋状部、４：部品直立規制部、７１：落とし穴、Ｗ：部品。   DESCRIPTION OF SYMBOLS 1: Chute, 2: Component axial direction alignment part, 3: Component direction alignment part, 3a: A bowl-shaped part, 4: Component upright control part, 71: Pitfall, W: Component.

Claims (5)

軸方向の一端側と他端側で径が異なる部品を方向整列する部品整列装置であって、
シュートからの前記部品を、その軸方向を特定方向に向けた状態で該特定方向に交差する方向に送り出す部品軸方向整列部と、
前記特定方向に交差する方向に下り傾斜する溝部を有し、該溝部に前記部品軸方向整列部から送り込まれた部品を流下させ方向整列させる部品方向整列部と、
を具備することを特徴とする部品整列装置。 A component alignment device that directionally aligns components having different diameters on one end side and the other end side in the axial direction,
A component axial alignment section that sends out the component from the chute in a direction intersecting the specific direction with the axial direction directed to the specific direction;
A component direction aligning portion that has a groove portion inclined downward in a direction crossing the specific direction, and causes the component fed from the component axial direction aligning portion to flow down and align in the groove portion;
A component aligning apparatus comprising: 前記溝部の下流側には、適正方向とは逆方向に向いた部品を落下排出させる落とし穴が穿設されていることを特徴とする請求項１に記載の部品整列装置。   2. The component aligning device according to claim 1, wherein a pit for allowing a component oriented in a direction opposite to an appropriate direction to fall and discharge is formed on a downstream side of the groove portion. 前記部品方向整列部は、前記溝部が横断面弧状の樋状部であって、該樋状部に前記部品軸方向整列部から送り込まれた部品を自重で流下させ、その両端側間の径差によって方向整列させることを特徴とする請求項１又は２に記載の部品整列装置。   The component direction alignment portion is a bowl-shaped portion in which the groove portion has an arc-shaped cross section, and causes the component fed from the component axial direction alignment portion to flow down by its own weight into the flange-like portion, and a difference in diameter between both ends thereof. The component aligning apparatus according to claim 1, wherein the parts are aligned in a direction. 前記樋状部の横断面形状は、該樋状部の傾斜方向に交差する方向に軸方向が向けられて部品が送り込まれた際に、該部品の大径部と小径部がその樋状部の内周面に接する弧状をなすことを特徴とする請求項３に記載の部品整列装置。   The cross-sectional shape of the hook-shaped portion is such that when the component is fed with the axial direction oriented in a direction crossing the inclination direction of the hook-shaped portion, the large-diameter portion and the small-diameter portion of the component are the hook-shaped portions 4. The component aligning device according to claim 3, wherein the component aligning device has an arc shape in contact with the inner peripheral surface of the component. 前記部品方向整列部により方向整列され、該部品方向整列部から落下する部品を、その小径部側を上方に向けた状態で受けて定置させる部品直立規制部を具備することを特徴とする請求項１ないし４のいずれか１の項に記載の部品整列装置。   A component upright restricting portion for receiving and placing a component that is directionally aligned by the component direction alignment portion and that falls from the component direction alignment portion with its small diameter portion facing upward is provided. 5. The component alignment apparatus according to any one of items 1 to 4.
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