JPH04196398A - Component feeder - Google Patents

Component feeder

Info

Publication number
JPH04196398A
JPH04196398A JP32330190A JP32330190A JPH04196398A JP H04196398 A JPH04196398 A JP H04196398A JP 32330190 A JP32330190 A JP 32330190A JP 32330190 A JP32330190 A JP 32330190A JP H04196398 A JPH04196398 A JP H04196398A
Authority
JP
Japan
Prior art keywords
magazine
parts
component
orientation
supply device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP32330190A
Other languages
Japanese (ja)
Other versions
JP3039876B2 (en
Inventor
Yasuo Shibazaki
柴崎 靖夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2323301A priority Critical patent/JP3039876B2/en
Publication of JPH04196398A publication Critical patent/JPH04196398A/en
Application granted granted Critical
Publication of JP3039876B2 publication Critical patent/JP3039876B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To enable even components of shape unstable in position and the combined components to be easily and precisely fed to a work by a method wherein light is made to irradiate a magazine, the shadows of components inside the magazine are recognized, and the recognized shadow is compared with the reference position and posture of a component, whereby that a component is rightly fed or not is judged. CONSTITUTION:A magazine 2 fixed in position by a positioning means 2 is made to ascend by a certain distance as supported from below by a support means 16 and irradiated with light from below by an irradiation means 21, whereby the shadows of components 1 inside the magazine 2 are formed. The shadows are picked up by a component position judging means 25, a difference between the shadows and the reference position and posture of the component 1 is recognized, and it is judged that the component 1 is right in position and posture or not. The judged components 1 are successively taken out from the magazine 2 by a component unloading means 46 and transferred to a work 43 as corrected in position and posture basing on data sent from the component position judging means 25. By this setup, even components of shape unstable in position and the combined components which can not be transferred through vibrating transfer can be easily, precisely, and automatically fed to a work.

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は、自動搬送された部品を、ワークの自動組立て
ステーションに対してロボットを介して供給する部品供
給装置に係わり、特に、姿勢が不安定でパーツフィーダ
等による振動搬送が困難な形状の部品(単品および組合
せ部品を含む)を、正確かつ容易に供給するのに好適な
部品供給装置に関する。
Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a parts supply device that supplies automatically transported parts to an automatic workpiece assembly station via a robot, and in particular, The present invention relates to a parts feeding device suitable for accurately and easily feeding parts (including single parts and combined parts) that are stable and have a shape that is difficult to transport by vibration using a parts feeder or the like.

[従来の技術] 従来、自動組立て装置に部品を供給する技術として、部
品を整列させたトレイを自動供給手段によって供給し、
供給されたトレイをストックステーションにストックし
ておき、複数のハンドを有するロボットによって前記ス
トックステーションから所定のトレイを取り出すととも
に部品取り出しステーションに載置し、このステーショ
ン内のトレイからロボットのハンドによって部品を取り
出し、取り出された部品を用いて前記1台のロボットに
より複数の部品の自動組立てを行なうようにしたもの(
例えば、特開昭62−277229号公報)があり、ま
た1部品を一定の向きに整列した状態でワーク組立て用
ロボットに供給する部品整列装置としては、振動部がほ
ぼあらゆる方向へ振動されるように、該振動部に複数の
アンバランスウェイトの互いに異なる方向への円運動を
複合する複合円振動機構を設け、前記振動部に保持され
た部品の所定部分の形状に形成された多数の凹部を有す
る部品配列板上の部品を、はぼあらゆる方向へ振動せし
めて前記整列用凹部に嵌合されるようにしたもの(例え
ば、特開昭61−100326号公報)があり、また、
ワーク組立て用ロボットが取りやすいように部品を配列
する部品配列装置としては、部品配列用のトレイで扱う
複数部品の整列条件として設定された振動モードを予め
選択し、選択したモードにおいて振動を加えて前記トレ
イ上に部品を配列するもの(例えば、特開昭62−27
5927号公報)等が提案されている。
[Prior Art] Conventionally, as a technique for supplying parts to an automatic assembly device, a tray on which parts are arranged is supplied by an automatic supply means.
The supplied trays are stocked in a stock station, and a robot with multiple hands takes out a predetermined tray from the stock station and places it on a parts take-out station, and the hands of the robot pick up parts from the trays in this station. A system in which a plurality of parts are automatically assembled by the one robot using the parts taken out and the parts taken out (
For example, there is a part alignment device (Japanese Patent Application Laid-Open No. 62-277229) that supplies parts aligned in a fixed direction to a work assembly robot. The vibrating part is provided with a compound circular vibration mechanism that combines circular movements of a plurality of unbalanced weights in mutually different directions, and a large number of recesses formed in the shape of a predetermined part of the component held in the vibrating part are provided. There is a device (for example, Japanese Patent Application Laid-Open No. 100326/1983) in which the components on the component arrangement plate are vibrated in almost every direction so that the components fit into the alignment recesses.
As a parts arrangement device that arranges parts so that they can be easily picked up by a workpiece assembly robot, a vibration mode that is set in advance as an arrangement condition for multiple parts handled on a parts arrangement tray is selected in advance, and vibration is applied in the selected mode. A device for arranging parts on the tray (for example, Japanese Patent Laid-Open No. 62-27
No. 5927) and the like have been proposed.

[発明が解決しようとする課題] 上記従来の1台のロボットにより複数の部品の自動組立
てを行なうようにしたロボットへの部品の供給は、部品
整列装置を介して行なわれており。
[Problems to be Solved by the Invention] Parts are supplied to the conventional robot that automatically assembles a plurality of parts using a single robot via a parts alignment device.

該部品整列装置は、上記したように部品の所定部分の形
状に形成された部品配列板に、部品を振動装置等により
予め整列させる構成になっていた。
The component alignment device is configured to use a vibration device or the like to align components in advance on a component array plate formed in the shape of a predetermined portion of the component as described above.

このため、姿勢が不安定な部品および組合せ部品につい
ては、上記従来の部品の所定部分の形状に形成された凹
部を有する部品配列板を使用しても、部品の整列または
配列が部品を振動させて行うものであることから、姿勢
の安定している部品(球とか円板等の単純な形状以外の
異形部品を含む)のように、一定の向きに、或いはワー
ク組立て用ロボットが取りやすいように部品を整列また
は配列することができなかった。従って、かかるパーツ
フィーダ等による振動搬送が困難な姿勢の不安定な形状
の部品および組合せ部品については、ワークに部品を所
定の向きに正確に供給することができない問題点を有し
ていた。
For this reason, for parts with unstable postures and assembled parts, even if a parts arrangement plate having a recess formed in the shape of a predetermined part of the conventional parts described above is used, the alignment or arrangement of the parts may cause the parts to vibrate. Therefore, parts with stable postures (including irregularly shaped parts other than simple shapes such as spheres and disks) should be placed in a fixed direction or in a way that is easy for the workpiece assembly robot to pick up. could not align or arrange the parts. Therefore, with respect to unstable-shaped parts and assembled parts that are difficult to vibrate and transport using such parts feeders, etc., there has been a problem in that the parts cannot be accurately fed to the workpiece in a predetermined orientation.

本発明は、上記従来技術の問題点に鑑み、振動搬送が困
難な姿勢の不安定な形状の部品および組合せ部品であっ
ても、ワークに対して正確かつ容易に供給することがで
きる部品供給装置を提供することを目的とする。
In view of the above-mentioned problems of the prior art, the present invention provides a parts feeding device that can accurately and easily feed parts to a workpiece, even parts with unstable shapes and combined parts that are difficult to transport by vibration. The purpose is to provide

[課題を解決するための手段] 上記目的を達成するため、本発明は、自動搬送された部
品を、ワークの自動組立てステーションにロボットを介
して供給する部品供給装置において、 (i)不安定形状の部品を搭載し、供給ステーション内
に外形を揃えて積み重ねられた平板状の透明な材料から
なる同一形状・寸法の複数のマガジンと、 (ii)該マガジンを前記供給ステーションから該マガ
ジン内の部品を取り出す位置まで順次移動させる搬送手
段と、 (iii)該搬送手段により移動させられたマガジンを
前記部品取り出し位置にて位置固定させる位置決め手段
と、 (iv)前記マガジンに搭載された部品の大きさに対応
した寸法の網目面を有し、該網目面にて前記位置決めさ
れたマガジンを下方より上昇して支持し、かつ下降して
該支持を解除する昇降手段を有する支え手段と、 (v)該支え手段の網目面よりマガジンに向けて光を照
射し該マガジン内の部品の外形の影を造る照明手段と、 (vi )造られた影を認識し、認識した影のマガジン
内における部品の位置および姿勢と、部品の基準位置お
よび姿勢とを比較して部品の位置および姿勢を判定し、
両者の相違情報を出力する部品姿勢判定手段と、 (憾)マガジンより部品を順次取り出し、取り出した部
品の位置および姿勢を前記部品姿勢判定手段からの情報
により前記基準位置および姿勢に修正する姿勢修正手段
を有し、該姿勢修正された部品をワーク上に搬送する部
品取り出し手段と、(vjl)全部品を取り出されたマ
ガジンが、順次前記部品取り出し位置より前記搬送手段
により移動させられ、所定距離移動後、落し込まれて収
納され、かつ収納されたマガジンを順に排出するケース
を設けた排出手段とを備えるようにしたものである。
[Means for Solving the Problems] In order to achieve the above object, the present invention provides a parts supply device that supplies automatically transported parts to an automatic workpiece assembly station via a robot. (ii) a plurality of magazines of the same shape and size made of flat transparent material loaded with parts and stacked with the same external shape in a supply station; (ii) the magazine is transferred from the supply station to the parts in the magazine; (iii) positioning means for positionally fixing the magazine moved by the transport means at the component extraction position; and (iv) the size of the component loaded in the magazine. (v) supporting means having a mesh surface with dimensions corresponding to the size of the mesh surface, and having an elevating means for lifting and supporting the positioned magazine from below on the mesh surface and descending to release the support; (vi) illumination means for irradiating light toward the magazine from the mesh surface of the support means to create a shadow of the external shape of the parts in the magazine; Determine the position and orientation of the part by comparing the position and orientation with the reference position and orientation of the part,
(regret) a part orientation determination means that outputs difference information between the two; and (regret) an orientation correction that sequentially takes out parts from the magazine and corrects the position and orientation of the taken out parts to the reference position and orientation based on information from the part orientation determination means. (vjl) the magazine from which all the parts have been taken out is sequentially moved by the conveying means from the component take-out position, and is moved a predetermined distance by the conveying means; After being moved, the magazine is dropped into the magazine and is stored therein, and includes a discharge means provided with a case for sequentially discharging the stored magazines.

そして、前記マガジンに、搭載する部品の形状・寸法に
対応して形成した複数の間仕切りを設け、該各間仕切り
内にワークに組付ける姿勢とほぼ同姿勢で部品を収納す
るプラスチック類の透明なシートを形成するとよく、ま
た、前記マガジンに。
The magazine is provided with a plurality of partitions formed to correspond to the shapes and dimensions of the parts to be loaded, and within each partition a transparent sheet of plastic is used to store the parts in approximately the same attitude as the one to be assembled to the workpiece. Well, also in said magazine.

該マガジンの左右および前後に対称の位置にマガジン位
置設定用の複数の絞り加工穴と、該穴付近で、かつ左右
および前後に非対称の位置にマガジン積み重ね時の上下
間隔および水平保持用の複数の絞り加工穴とを、それぞ
れマガジンの下面より突出させて設ける構成にすること
が望ましい。
A plurality of drawn holes for setting the magazine position are provided at symmetrical positions in the left and right directions and front and rear of the magazine, and a plurality of drawn holes are provided near the holes and in asymmetric positions in the left and right and front and rear directions for maintaining vertical spacing and horizontality when stacking magazines. It is desirable that the drawn holes are provided so as to protrude from the lower surface of the magazine.

そして、前記搬送手段を、供給ステーション内のマガジ
ンを後方より押圧するプッシャーと、該プッシャーによ
り押し出されたマガジンを部品取り出し位置まで搬送す
るコンベアとを備えた構成にするとよく、また、前記位
置決め手段を、前記マガジンに設けた位置設定用の複数
の絞り加工穴に、テーパー状突起を嵌合させて位置固定
する固定手段にするとよい。そして、前記支え手段を、
透明な薄板にワイヤを貼着して形成した網目面を有し、
該網目面の網目寸法を任意に変更可能に構成することが
望ましい。
Preferably, the conveying means includes a pusher that presses the magazine in the supply station from behind, and a conveyor that conveys the magazine pushed out by the pusher to a component removal position. Preferably, the fixing means fixes the magazine by fitting a tapered protrusion into a plurality of drawn holes for position setting provided in the magazine. and the supporting means,
It has a mesh surface formed by pasting wires on a transparent thin plate,
It is desirable that the mesh size of the mesh surface can be changed arbitrarily.

一方、前記照明手段を、上面に乳白色の板を有し、該板
の下方に光源を設け、かつ下面および周囲を遮光した箱
状に形成することが好ましい。
On the other hand, it is preferable that the illumination means is formed in the shape of a box having a milky-white plate on the upper surface, a light source provided below the plate, and the lower surface and the surrounding area shielded from light.

さらに、前記部品姿勢判定手段を、前記ロボットに取り
付けられたTVカメラと、該TVカメラによる撮像と予
め撮影された部品の基準位置および姿勢における撮像と
の位置ずれを算出し、その算出情報を出力する情報出力
手段とを備えた構成にするとよく、また、前記部品取り
出し手段を。
Furthermore, the component orientation determination means is configured to calculate a positional deviation between a TV camera attached to the robot and an image captured by the TV camera and an image captured in a reference position and orientation of the component photographed in advance, and output the calculated information. It is preferable to have a configuration including an information output means for outputting the information, and the component extraction means.

前記ロボットのハンドの向きを決める駆動情報をマガジ
ンの形状を判定して出力するセンサーと、前記ハンドに
より把持した部品を位置および姿勢を前記基準状態に矯
正する矯正機構に搬出し、矯正された部品をワーク上に
搬送するロボットとを備えた構成にすることが望ましい
A sensor that determines the shape of the magazine and outputs drive information that determines the direction of the robot's hand, and a correction mechanism that corrects the position and orientation of the part gripped by the hand to the reference state, and the corrected part. It is desirable to have a configuration that includes a robot that transports the robot onto the workpiece.

[作用] 上記のように構成したことにより、不安定形状の部品を
搭載した供給ステーション内に積み重ねられた複数のマ
ガジンは、搬送手段により前記供給ステーションからマ
ガジン内の部品を取り出す位置まで一枚ずつ順次移動さ
せられる。そして、前記位置にて位置決め手段により位
置を固定され、位置固定されたマガジンは、その下方を
支え手段により支持されて所定距離上昇させられ、下方
から照射手段により光を照射される。この照射によりマ
ガジン内の部品の外形の影が造られ、造られた影が部品
姿勢判定手段により撮影されて部品の基準の位置および
姿勢との差が認識され、該影の認識によりマガジン内の
部品の位置および姿勢の正否が判定される。該判定され
た部品は部品取り出し手段によりマガジン内より順次取
り出され、前記部品姿勢判定手段からの情報に基づき前
記基準位置および姿勢に修正されてワーク上に搬送され
る。マガジン内より全部品が取り出されると、マガジン
は前記部品取り出し位置より前記搬送手段により移動さ
せられ、排出手段のケースに落し込まれて収納される。
[Function] With the above configuration, the plurality of magazines stacked in the supply station loaded with unstable-shaped parts are transported one by one from the supply station to the position where the parts in the magazine are taken out by the conveyance means. be moved sequentially. Then, the position of the magazine is fixed at the position by the positioning means, and the fixed magazine is supported by the support means at the lower side and raised a predetermined distance, and is irradiated with light from below by the irradiation means. This irradiation creates a shadow of the external shape of the component in the magazine, and the created shadow is photographed by the component orientation determining means to recognize the difference from the reference position and orientation of the component. It is determined whether the position and orientation of the part are correct or not. The determined parts are sequentially taken out from the magazine by the parts take-out means, corrected to the reference position and orientation based on the information from the part attitude determination means, and conveyed onto the workpiece. When all the parts have been taken out of the magazine, the magazine is moved from the parts take-out position by the conveying means and is dropped into the case of the ejecting means and stored therein.

そして、この作用を繰り返すことにより、振動搬送が困
難な姿勢の不安定な形状の部品および組合せ部品であっ
ても、ワークに対して正確かつ容易に自動供給すること
が可能になる。
By repeating this action, even parts with unstable shapes and combinations of parts with difficult postures that are difficult to transport by vibration can be automatically fed to the work accurately and easily.

[実施例] 以下、本発明の一実施例を第1図ないし第9図を参照し
て説明する。第1図は部品供給装置の全体斜視図、第2
図はマガジンの構成説明図で、第2図(a)はマガジン
の斜視図、第2図(b)はマガジンに設けた絞り加工穴
の詳細図、第3図はマガジン供給ステーションの構成を
示す斜視図、第4図はマガジンの位置決め手段の構成を
示す斜視図、第5図はマガジンの支え手段の構成説明図
で、第5図(a)は支え手段の斜視図、第5図(b)は
第5図(a)のvb−vb断面図、第6図はマガジンの
照明手段の構成を示す斜視図、第7図は部品姿勢判定手
段の説明図で、第7図(a)はその構成を示す図、第7
図(b)は部品の姿勢判定方法説明図、第8図はマガジ
ンの向きを判定する判定手段の構成説明図、第9図は部
品取り出し手段の構成および作用の説明図である。
[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 9. Figure 1 is an overall perspective view of the parts supply device;
The figure is an explanatory diagram of the structure of the magazine. Fig. 2 (a) is a perspective view of the magazine, Fig. 2 (b) is a detailed view of the drawn holes provided in the magazine, and Fig. 3 shows the structure of the magazine supply station. FIG. 4 is a perspective view showing the structure of the magazine positioning means, FIG. 5 is an explanatory view of the structure of the magazine support means, FIG. ) is a sectional view taken along the line vb-vb in FIG. 5(a), FIG. 6 is a perspective view showing the structure of the illumination means of the magazine, and FIG. 7 is an explanatory diagram of the component orientation determination means. Diagram showing its configuration, No. 7
FIG. 8 is a diagram illustrating the configuration of a determining means for determining the orientation of the magazine, and FIG. 9 is a diagram illustrating the configuration and operation of the component ejecting means.

まず、第1図および第2図において、1はワークへ供給
する部品で、本発明においては姿勢が不安定でパーツフ
ィーダ等による振動搬送が困難な形状の単品または組合
せ部品を対象としている。
First, in FIGS. 1 and 2, reference numeral 1 indicates a part to be supplied to a workpiece, and the present invention targets single or combined parts whose posture is unstable and whose shape is difficult to transport by vibration using a parts feeder or the like.

2は複数の部品1を搭載可能に、多数の間仕切り2aが
整然と形成されている平板状のマガジンで、マガジン2
は例えばポリスチレン等の透明な板厚1m]1以下の薄
いシート状の材料から、同一の寸法・形状に真空成形さ
れる。そして、間仕切り2aは、搭載する部品1の外形
形状・寸法にほぼ一致する大きさ(面積および深さ)に
形成されており、その内部には、部品1をワークに組付
ける姿勢とはぼ同姿勢で収納可能なプラスチック製の卵
パツクのような透明なシートが形成されている。2b。
2 is a flat magazine in which a large number of partitions 2a are formed in an orderly manner so that a plurality of parts 1 can be loaded;
is vacuum-formed into the same size and shape from a thin sheet-like material, such as polystyrene, with a thickness of 1 m or less. The partition 2a is formed in a size (area and depth) that almost matches the external shape and dimensions of the component 1 to be mounted, and there is a space inside the partition 2a that is approximately the same as the posture in which the component 1 is assembled to the workpiece. It is made of a transparent sheet like a plastic egg pack that can be stored in any position. 2b.

2cはマガジン2の周辺部に下面側へ突出するように形
成されている直径約10mm程度の円形状の絞り加工穴
で、突出量は間仕切り2aの深さより約3mn程度深く
形成されており、いずれも第2図(b)に示すように下
方側が先細りの円錐形をしている。絞り加工穴2bは、
マガジン2の位置決め時に使用されるもので、第2図(
a)に示すようにマガジン2の左右および前後に対称の
位置に設けられており、絞り加工穴2cは、マガジン2
を積み重ねた時(i枚ずつ左右勝手違いに、すなわち向
きを180°変えて積み重ねた時)の上下間隔および水
平を保持するもので、マガジン2の左右および前後に非
対称の位置、すなわち第2図(a)における糺≠ら≠嶋
≠ねに設けられている。
Reference numeral 2c denotes a circular drawn hole with a diameter of approximately 10 mm that is formed at the periphery of the magazine 2 so as to protrude downward. As shown in FIG. 2(b), the lower side has a tapered conical shape. The drawn hole 2b is
This is used when positioning the magazine 2, as shown in Figure 2 (
As shown in a), they are provided at symmetrical positions on the left and right sides and front and back of the magazine 2, and the drawn holes 2c are located in the magazine 2.
It maintains the vertical spacing and horizontality when the magazines 2 are stacked (i. It is provided at 糺≠ra≠shima≠ne in (a).

2dはマガジン2のコーナ一部の切欠きで、マガジン2
の搬送方向を決めるために1ケ所にのみ設けられている
2d is a notch in a part of the corner of magazine 2.
It is provided at only one location to determine the direction of transport.

マガジン2は、第3図に示すように一枚ずつ切欠き2d
が左右交互になるように複数枚が積み重ねられ、絞り加
工穴2cによりマガジン2の上下の間隔および水平が保
持されて第1図に示す供給ステーション3に収納されて
いる。これらマガジン2はその最下面が、供給ステーシ
ョン3の下部に設けられているマガジン2の外形寸法よ
り小さい板4.板4と螺合しているねし5およびねじ5
を回動させるモータ6からなるリフター7により支持さ
れており、上下移動可能になっている。第1図に示す7
は、マガジン2を供給ステーション3からマガジン2内
の部品1を取り出す位置まで移動させる搬送手段で、搬
送手段8は、供給ステーション3内のマガジン2を後方
より押圧するプッシャー9と、プッシャー9により押し
出されたマガジン2を部品1を取り出す位置まで搬送す
るコンベア10とからなっている。11はマガジン2の
搬送中の方向を案内する搬送手段8にもうけられた案内
板である。搬送手段8には搬送されたマガジン2を部品
1を取り出す位置にて位置固定させる位置決め手段12
が設けられている。位置決め手段12は、第4図に示す
ように前記マガジン2の片側2個所の絞り加工穴2bに
それぞれ嵌入されるテーパーピン13.13と、テーパ
ーピン13.13を支持するバーの一端側を固着したた
回動可能な軸14と、軸14を回動させるシリンダ15
とからなっていて、マガジン2が所定の位置(部品1を
取り出す位置)まで搬送されると、シリンダ15が駆動
されてテーパーピン13,13を絞り加工穴2bに嵌入
し、マガジン2の位置決めを行なう。
As shown in Fig. 3, each magazine 2 has a notch 2d.
A plurality of magazines are stacked so that the left and right sides are alternately arranged, and the vertical spacing and horizontality of the magazine 2 are maintained by the drawn holes 2c, and the magazine 2 is stored in the supply station 3 shown in FIG. These magazines 2 have a plate 4. whose lowermost surface is smaller than the external dimensions of the magazines 2 provided at the bottom of the supply station 3. Screw 5 and screw 5 screwed together with plate 4
It is supported by a lifter 7 consisting of a motor 6 that rotates it, and can be moved up and down. 7 shown in Figure 1
is a conveyance means for moving the magazine 2 from the supply station 3 to a position where the parts 1 in the magazine 2 are taken out; the conveyance means 8 includes a pusher 9 that presses the magazine 2 in the supply station 3 from behind; The conveyor 10 conveys the loaded magazine 2 to a position where the parts 1 are taken out. Reference numeral 11 denotes a guide plate provided on the conveyance means 8 for guiding the direction of the magazine 2 during conveyance. The transport means 8 includes a positioning means 12 for fixing the transported magazine 2 at a position from which the parts 1 are taken out.
is provided. As shown in FIG. 4, the positioning means 12 fixes the taper pins 13.13 that are respectively fitted into the two drawn holes 2b on one side of the magazine 2, and one end side of the bar that supports the taper pins 13.13. A rotatable shaft 14 and a cylinder 15 that rotates the shaft 14
When the magazine 2 is transported to a predetermined position (the position to take out the part 1), the cylinder 15 is driven to fit the taper pins 13, 13 into the drawn holes 2b, thereby positioning the magazine 2. Let's do it.

16は前記部品1を取り出す位置にてマガジン2を下方
より支持する支え手段で、支え手段16は、第5図(a
)に示すようにマガジン2に搭載された部品1の外形寸
法に応した寸法の網目面17と、網目面17を取り付け
た板18と、板18を支持する枠18aと、網目面17
.板18および枠18aを昇降させる昇降手段19とか
らなっている。網目面17は、透明な薄板17aに直径
が約0.5mmのワイヤ17bを網目状に貼着して形成
され、各ワイヤ17bはその両端末部をピン20により
板18の周囲に固定されている。ピン20は板18の周
囲に設けられた溝を自由に移動可能になっており、この
ため、網目寸法をマガジン2の間仕切り2aの寸法およ
び配列に対応して任意に変更可能になっている。昇降手
段19は、支え手段16を載置した後述する照明手段2
1に固着されたブラケットに螺合しているねし19aと
、ねし19aを回動させるモータ19bからなっており
、ねし1.9aを回動して支え手段16を上昇させるこ
とによりマガジン2を支持し、反対に下降することによ
り該支持を解除するようになっている。
Reference numeral 16 denotes support means for supporting the magazine 2 from below at the position where the component 1 is taken out, and the support means 16 is shown in FIG.
), a mesh surface 17 with dimensions corresponding to the external dimensions of the parts 1 loaded in the magazine 2, a plate 18 to which the mesh surface 17 is attached, a frame 18a supporting the plate 18, and a mesh surface 17.
.. It consists of a plate 18 and a lifting means 19 for lifting and lowering the frame 18a. The mesh surface 17 is formed by pasting wires 17b with a diameter of about 0.5 mm in a mesh pattern to a transparent thin plate 17a, and each wire 17b has both ends fixed around the plate 18 with pins 20. There is. The pin 20 is freely movable in a groove provided around the plate 18, so that the mesh size can be arbitrarily changed in accordance with the size and arrangement of the partitions 2a of the magazine 2. The elevating means 19 is a lighting means 2, which will be described later, on which the supporting means 16 is placed.
It consists of a screw 19a screwed onto a bracket fixed to the bracket 1, and a motor 19b for rotating the screw 19a.By rotating the screw 1.9a and raising the support means 16, the magazine is 2 is supported, and the support is released by descending in the opposite direction.

21は網目面17よりマガジン2に向けて下方より光を
照射する照明手段で、照明手段21は、第6図に示すよ
うに下面および周面を遮光した箱状のケース22と、ケ
ース22の上面を覆う乳白色のガラス板23と、ケース
22内に配置された蛍光灯24とにより構成されている
Reference numeral 21 denotes an illumination means for irradiating light from below toward the magazine 2 through the mesh surface 17.As shown in FIG. It consists of a milky white glass plate 23 covering the top surface and a fluorescent lamp 24 placed inside the case 22.

25はマガジン2内の部品1の姿勢および位置を判定す
る部品姿勢判定手段で、部品姿勢判定手段25は、第7
図(a)に示すように前記照明手段21の照射により造
られるマガジン2内の部品1の外形形状の影を撮影する
TVカメラ26と、アナログ回路28、撮像をAD変換
するAD変換器29、ビデオメモリ30、マガジン2内
における部品1の基準位置および姿勢と撮像した部品1
の位置および姿勢とのずれ量を算出する制御手段31、
DA変換器32からなる制御装置本体27およびモニタ
ー33とからなっていて、前記ずれ量の算出情報を出力
するようになっている。なお、前記した如くマガジン2
は、供給ステーション3において第8図に示すように1
枚ずつ向きを左右勝手違いに積み重ねられており、該勝
手違いの状態で搬送手段8に供給されてくるから、マガ
ジン2の切欠き2dの有無を一定個所に設けた近接セン
サー34により検出してマガジン2の向きを判定してい
る。
Reference numeral 25 denotes a component posture determining means for determining the posture and position of the component 1 in the magazine 2, and the component posture determining means 25 includes a seventh
As shown in Figure (a), a TV camera 26 that photographs the shadow of the external shape of the component 1 in the magazine 2 created by the illumination of the illumination means 21, an analog circuit 28, an AD converter 29 that converts the captured image from AD to AD, Video memory 30, reference position and posture of component 1 in magazine 2, and imaged component 1
control means 31 for calculating the amount of deviation from the position and orientation of
It consists of a control device main body 27 consisting of a DA converter 32 and a monitor 33, and is configured to output calculation information of the amount of deviation. In addition, as mentioned above, magazine 2
1 at the supply station 3 as shown in FIG.
Since the sheets are stacked one by one with left and right orientations opposite to each other, and are supplied to the conveying means 8 in the opposite orientation, the presence or absence of the notch 2d in the magazine 2 is detected by the proximity sensor 34 provided at a certain location. The orientation of magazine 2 is determined.

35は位置決め手段12にて位置決めされたマガジン2
より順次部品を取り出す部品取り出し手段で、部品取り
出し手段35は第1図および第9図に示すように、搬送
手段8を跨ぐように配置された直交形のロボット36と
、ロボット36に取り付けられた部品取り出し機構37
、部品1を把持するハンド38、ハンド38を回動させ
るモータ39、部品姿勢判定手段25からの情報により
部品1の位置および姿勢を基準の位置および姿勢に修正
する姿勢修正機構40とからなっている。
35 is the magazine 2 positioned by the positioning means 12
As shown in FIGS. 1 and 9, the parts taking out means 35 is a part taking out means for taking out parts in a more sequential manner.As shown in FIGS. Parts removal mechanism 37
, a hand 38 that grips the part 1, a motor 39 that rotates the hand 38, and an attitude correction mechanism 40 that corrects the position and attitude of the part 1 to a reference position and attitude based on information from the part attitude determination means 25. There is.

41はハント38により把持された部品1がワーク43
上に組付けられる前に位置および姿勢を修正される修正
ステーション、42は修正ステーション41の上面に設
けられた位置および姿勢の矯正機構で、矯正機構42は
、例えば部品1の外周3個所に矯正機構42に固定した
ピンを接触させて位置矯正する構成や、部品1に一つの
穴が穿設されているような場合は、該穴に嵌入したピン
と部品1の外周2個所にピンを接触させて位置矯正する
構成等が採用される。44はワーク43を位置決めする
プラテン、45は所定位置に位置決めされたプラテン4
4上で部品1の組付けを完了したワーク43を搬送する
コンベアである。46はコンベア10で搬送されたマガ
ジン2を前部が斜めに下方へ落し込まれる状態にして収
納し、かつ収納したマガジン2を順に排出するケース4
6aを有する排出手段である。
41, the part 1 gripped by the hunt 38 is a workpiece 43
A correction station 42 is a position and attitude correction mechanism provided on the top surface of the correction station 41, and the correction mechanism 42 corrects the position and attitude of the part 1 before being assembled on the top. In cases where the position is corrected by bringing a pin fixed to the mechanism 42 into contact, or where a single hole is drilled in the component 1, the pin fitted into the hole may be brought into contact with the pin at two locations on the outer periphery of the component 1. A configuration in which the position is corrected by adjusting the position is adopted. 44 is a platen for positioning the workpiece 43; 45 is a platen 4 positioned at a predetermined position
This conveyor conveys the workpiece 43 on which the assembly of the part 1 has been completed on the workpiece 4. Reference numeral 46 denotes a case 4 in which the magazines 2 conveyed by the conveyor 10 are stored in a state in which the front part is dropped diagonally downward, and the stored magazines 2 are sequentially discharged.
6a.

つぎに、上記実施例の場合の作用について説明する。予
め、不安定形状の部品1をワーク43に組付ける際の姿
勢にできるだけ近い姿勢で搭載し、供給ステーション3
内に積み重ねられた複数のマガジン2は、その外形およ
び寸法が部品の種類によらず一定のため、プッシャー9
により順次−枚ずつ一定寸法だけ押し出され、さらにコ
ンベア10により一定距離だけ移動させられて、マガジ
ン2内の部品1を取り出す位置まで搬送される。そして
、第4図に示す位置決め手段12により位置を固定され
るが、前記プッシャー9による押出しの際、マガジン2
が押出し方向に多少たわみ、所定寸法だけ押し出しても
押出し量の不足する場合が発生することがある。しかし
、押出し量不足による位置ずれは、マガジン2の絞り加
工穴2bと位置決め手段12のテーパーピン13.13
との嵌合により、容易かつ確実に自動的に矯正すること
ができる。
Next, the operation of the above embodiment will be explained. In advance, the unstable-shaped part 1 is mounted on the workpiece 43 in a posture as close as possible to the posture when assembling it, and the part 1 is placed at the supply station 3.
Since the outer shape and dimensions of the plurality of magazines 2 stacked in the interior are constant regardless of the type of parts, the pusher 9
The parts 1 are sequentially pushed out one by one by a certain size, and further moved by a certain distance by the conveyor 10 to the position where the parts 1 in the magazine 2 are taken out. The position is fixed by the positioning means 12 shown in FIG. 4, but when the pusher 9 pushes out the magazine 2.
may bend to some extent in the extrusion direction, resulting in insufficient extrusion amount even after extrusion by a predetermined dimension. However, positional deviation due to insufficient extrusion amount occurs between the drawn hole 2b of the magazine 2 and the taper pin 13.13 of the positioning means 12.
By fitting with the above, automatic correction can be easily and reliably performed.

前記位置固定されたマガジン2は、支え手段]6により
支持され、昇降手段19により所定距離上昇させられて
下方から照明手段21により光を照射される。この場合
、マガジン2は透明なため部品1の部分のみ光が透過せ
ず他は透過する。従って、部品1は光を照射した場合に
光を反射するか、しないかに関係なく、プレス部品、機
械加工部品、プラスチック部品等のとのような部品であ
っても、その外形形状を影として取り出すことが可能で
ある。部品lの外形と一致した影が造られ、造られた影
が部品姿勢判定手段25のTVカメラ26により撮影さ
れて、部品1の位置および姿勢の正否が第7図(b)に
示す方法により判定される。
The magazine 2 whose position is fixed is supported by a support means 6, raised a predetermined distance by an elevating means 19, and irradiated with light from below by an illumination means 21. In this case, since the magazine 2 is transparent, only the component 1 part is not penetrated by light, but the others are transmitted. Therefore, regardless of whether or not Part 1 reflects light when irradiated with light, even if it is a pressed part, machined part, plastic part, etc., its external shape will be used as a shadow. It is possible to take it out. A shadow matching the external shape of the component 1 is created, the created shadow is photographed by the TV camera 26 of the component orientation determining means 25, and the position and orientation of the component 1 are determined by the method shown in FIG. 7(b). It will be judged.

すなわち、第7図(b)の(i)はTVカメラ26によ
り撮影された部品1の影の映像、(2)はマガジン2の
間仕切り2a内に正確に設置された部品1の基準位置の
姿勢を予めTVカメラ26により撮影し記録させた映像
、(3)は(i)と(2)の映像を重ね合わせた映像、
をそれぞれ示しており、重ね合わせた各映像が一致する
かどうかを判定する。そして、一致しない場合は、映像
(i)をXおよびy方向と、回転方向であるθ方向へず
らし、前記映像(2)と一致するまでのずれ量を第7図
(a)に示す制御装置本体27にて算出し、算出したず
れ量に基づき前記映像(2)の姿勢に一致するまで部品
取り出し手段35のハンド38の位置を自動修正し、マ
ガジン2内より部品1を前記映像(2)の姿勢を保持し
て取り出す。この取り出しの際、マガジン2に上方より
押圧力がかかるが、マガジン2を網目面17により支持
しているため、前記押圧力をマガジン2を撓ませること
なく支えることができる。なお、本実施例においては、
姿勢修正機構40によりTVカメラ26を使用してワー
ク43の部品組付は位置を撮影し、上記と同じ方法で前
記映像(2)とのずれ量を判定することも可能である。
That is, (i) in FIG. 7(b) is an image of the shadow of the component 1 taken by the TV camera 26, and (2) is the posture of the reference position of the component 1 accurately installed in the partition 2a of the magazine 2. (3) is an image obtained by superimposing the images of (i) and (2),
, and it is determined whether the superimposed images match. If they do not match, the control device shown in FIG. 7(a) shifts the image (i) in the X and y directions and in the θ direction, which is the rotational direction, and determines the amount of deviation until it matches the image (2). The position of the hand 38 of the component ejecting means 35 is automatically corrected based on the calculated deviation amount in the main body 27 until it matches the orientation of the image (2), and the component 1 is removed from the magazine 2 as shown in the image (2). Hold this position and take it out. During this ejection, a pressing force is applied to the magazine 2 from above, but since the magazine 2 is supported by the mesh surface 17, the pressing force can be supported without causing the magazine 2 to bend. In addition, in this example,
It is also possible to photograph the position of the part assembly of the workpiece 43 using the TV camera 26 by the posture correction mechanism 40, and determine the amount of deviation from the image (2) using the same method as described above.

ハンド38により把持された部品1は、第9図に示すよ
うにロボット36により修正ステーション41まで搬送
され、修正ステーション41に設けた矯正機構42上に
載置されて最終的に正確な姿勢に矯正される。本実施例
の場合は、前述のように矯正機構42上に固定された3
本のピンによる機械的な構成で矯正している。前記矯正
が終了すると、部品1はハンド38により正確な位置お
よび姿勢で把持され、ロボット36によりワーク43上
の組付は位置に、正確かつ容易に自動供給される。なお
、部品姿勢判定手段25はワーク43の位置ずれも判定
することができるから、該ワーク43の位置ずれがあっ
てもその都度部品1の組付は位置を判定し、正確な位置
に供給することが可能である。
The part 1 gripped by the hand 38 is conveyed by the robot 36 to a correction station 41, as shown in FIG. 9, and placed on a correction mechanism 42 provided in the correction station 41, where it is finally corrected to an accurate posture. be done. In the case of this embodiment, as described above, the three
It is corrected by a mechanical structure using book pins. When the correction is completed, the part 1 is held in an accurate position and posture by the hand 38, and the assembly on the workpiece 43 is automatically supplied to the position accurately and easily by the robot 36. Note that the component orientation determining means 25 can also determine the positional deviation of the workpiece 43, so even if there is a positional deviation of the workpiece 43, the assembly position of the component 1 is determined each time, and the part 1 is supplied to the correct position. Is possible.

一枚のマガジン2内の部品1がワーク43へすべて供給
されると、該マガジン2は搬送手段8のコンベア10に
より移動させられ、排出手段46のケース46a内にマ
ガジン2の前部から斜めに下方へ落し込まれて収納され
る。この落し込みの際、マガジン2は前述のようにプラ
スチックシートを真空成形した柔軟な構成のため、マガ
ジン2同志が衝突しても変形することがなく、落し込む
だけで収納および排出をすることが可能である。
When all the parts 1 in one magazine 2 are supplied to the workpiece 43, the magazine 2 is moved by the conveyor 10 of the transport means 8, and is placed diagonally from the front of the magazine 2 into the case 46a of the ejection means 46. It is dropped downward and stored. During this dropping, the magazine 2 has a flexible structure made of vacuum-formed plastic sheets as mentioned above, so it will not deform even if the magazines 2 collide with each other, and it can be stored and ejected just by dropping it. It is possible.

以下、前記作用を繰り返して積み重ねられた全マガジン
2内の部品1をワーク43へ供給するが、前述のように
マガジン2は一枚ごとに向きが18o0異なっているの
で、第8図に示す近接センサー34により切欠き2dの
有無を検出し、切欠き2dの有無により第9図に示すモ
ータ39を即動し、ハンド38を180°回動させて部
品1を把持し、正しい向きで供給することができるよう
になっている。
Thereafter, the parts 1 in all the stacked magazines 2 are fed to the workpiece 43 by repeating the above operation, but as mentioned above, the direction of each magazine 2 differs by 18o0, so the close proximity shown in FIG. The sensor 34 detects the presence or absence of the notch 2d, and depending on the presence or absence of the notch 2d, the motor 39 shown in FIG. It is now possible to do so.

[発明の効果] 以上説明したように本発明は、安定した姿勢の部品は勿
論、パーツフィーダ等の振動搬送が困難な姿勢の不安定
な部品および組合せ部品であっても、正確かつ容易にワ
ーク上に供給することができる顕著な効果を奏する。
[Effects of the Invention] As explained above, the present invention allows workpieces to be accurately and easily handled, not only for parts in stable postures, but also for parts with unstable postures and combinations of parts that are difficult to transport by vibration such as parts feeders. It has a remarkable effect that can be supplied on top.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の部品供給装置の一実施例を示す全体斜
視図、第2図はマガジンの構成説明図で、第2図(a)
はマガジンの斜視図、第2図(b)はマガジンに設けた
絞り加工穴の詳細図、第3図はマガジン供給ステーショ
ンの構成を示す斜視図、第4図はマガジンの位置決め手
段の構成を示す斜視図、第5図はマガジンの支え手段の
構成説明図で、第5図(a)は支え手段の斜視図、第5
図(b)は第5図(a)(7)Vb−Vb断面図、第6
図はマガジンの照明手段の構成を示す斜視図、第7図は
部品姿勢判定手段の説明図で、第7図(a)はその構成
を示す図、第7図(b)は部品の姿勢判定方法説明図、
第8図はマガジンの向きを判定する判定手段の構成説明
図、第9図は部品取り出し手段の構成および作用の説明
図である。 1・・部品、2・・・マガジン、2a・・・間仕切り、
2b、2c・・・絞り加工穴、2d・・切欠き、3・・
・供給ステーション、8・・・搬送手段、9・・・プッ
シャー、10・・・コンベア、12・・・位置決め手段
、13,13・・テーパーピン、16・・−支え手段、
17・網目面、17b・・・ワイヤ、21・・・照明手
段、24・・・蛍光灯、25・・部品姿勢判定手段、2
6・・TVカメラ、27・・・制御装置本体、33・・
・モニター、34・・近接センサー、35・・部品取り
出し手段、36・ロボット、38・・・ハンド、42・
・矯正機構、43・・ワーク、46・排出手段、46a
・ケース。 特許出願人 株式会社日立製作所 代理人弁理士 秋  本  正  実 弟 2 図  とaノ 第 2  bリ (b) 第3図 第4図 第5図(Q) 第 51ン’  (b) 1B   −tyb 第6図 2プ −−−照明子投 24−−−ジヒ尤X丁 第 7 図 (a) 第 7  図  (b) 26            二寸− 第8図 ノ 34−止忰しす− 第9図
Fig. 1 is an overall perspective view showing an embodiment of the parts supply device of the present invention, Fig. 2 is an explanatory diagram of the structure of a magazine, and Fig. 2(a)
is a perspective view of the magazine, FIG. 2(b) is a detailed view of the drawn holes provided in the magazine, FIG. 3 is a perspective view showing the configuration of the magazine supply station, and FIG. 4 is the configuration of the magazine positioning means. A perspective view and FIG.
Figure (b) is a sectional view of Figure 5 (a) (7) Vb-Vb,
The figure is a perspective view showing the configuration of the illumination means of the magazine, FIG. 7 is an explanatory diagram of the component attitude determination means, FIG. 7(a) is a diagram showing the configuration, and FIG. 7(b) is a diagram showing the component attitude determination method explanatory diagram,
FIG. 8 is an explanatory diagram of the configuration of the determining means for determining the orientation of the magazine, and FIG. 9 is an explanatory diagram of the configuration and operation of the parts ejecting means. 1... Parts, 2... Magazine, 2a... Partition,
2b, 2c...Drawn hole, 2d...Notch, 3...
- Supply station, 8... Conveying means, 9... Pusher, 10... Conveyor, 12... Positioning means, 13, 13... Taper pin, 16... - Supporting means,
17.Mesh surface, 17b...Wire, 21...Illumination means, 24...Fluorescent lamp, 25..Component posture determination means, 2
6...TV camera, 27...control device body, 33...
・Monitor, 34. Proximity sensor, 35. Parts extraction means, 36. Robot, 38. Hand, 42.
- Correction mechanism, 43... Work, 46 - Discharge means, 46a
·Case. Patent Applicant Hitachi, Ltd. Patent Attorney Tadashi Akimoto Younger Brother 2 Figure 3 Figure 4 Figure 5 (Q) Figure 51 (b) 1B -tyb Figure 2 6 Figure 2 - Illumination head throw 24 - Jihi Yu X-ding Figure 7 (a) Figure 7 (b) 26 2 sun - Figure 8 No. 34 - Stopping figure 9

Claims (1)

【特許請求の範囲】 1.自動搬送された部品を、ワークの自動組立てステー
ションにロボットを介して供給する部品供給装置におい
て、 (i)不安定形状の部品を搭載し、供給ステーション内
に外形を揃えて積み重ねられた平板状の透明な材料から
なる同一形状・寸法の複数のマガジンと、 (ii)該マガジンを前記供給ステーションから該マガ
ジン内の部品を取り出す位置まで順次移動させる搬送手
段と、 (iii)該搬送手段により移動させられたマガジンを
前記部品取り出し位置にて位置固定させる位霞決め手段
と、 (iv)前記マガジンに搭載された部品の大きさに対応
した寸法の網目面を有し、該網目面にて前記位置決めさ
れたマガジンを下方より上昇して支持し、かつ下降して
該支持を解除する昇降手段を有する支え手段と、 (v)該支え手段の網目面よりマガジンに向けて光を照
射し該マガジン内の部品の外形の影を造る照明手段と、 (vi)造られた影を認識し、認識した影のマガジン内
における部品の位置および姿勢と、部品の基準位置およ
び姿勢とを比較して部品の位置および姿勢を判定し、両
者の相違情報を出力する部品姿勢判定手段と、 (vii)マガジンより部品を順次取り出し、取り出し
た部品の位置および姿勢を前記部品姿勢判定手段からの
情報により前記基準位置および姿勢に修正する姿勢修正
手段を有し、該姿勢修正された部品をワーク上に搬送す
る部品取り出し手段と、 (viii)全部品を取り出されたマガジンが、順次前
記部品取り出し位置より前記搬送手段により移動させら
れ、所定距離移動後、落し込まれて収納され、かつ収納
されたマガジンを順に排出するケースを設けた排出手段
とを備えたことを特徴とする部品供給装置。2.前記マ
ガジンが、搭載する部品の形状・寸法に対応して形成し
た複数の間仕切りを有し、該各間仕切り内にワークに組
付ける姿勢とほぼ同姿勢で部品を収納するプラスチック
製の透明なシートを形成してなる請求項1記載の部品供
給装置。 3.前記マガジンが、該マガジンの左右および前後に対
称の位置にマガジン位置設定用の複数の絞り加工穴と、
該穴付近で、かつ左右および前後に非対称の位置にマガ
ジン積み重ね時の上下間隔および水平保持用の複数の絞
り加工穴とを、それぞれマガジンの下面より突出させて
設けてなる請求項1または2記載の部品供給装置。 4.前記搬送手段が、供給ステーション内のマガジンを
後方より押圧するプッシャーと、該プッシャーにより押
し出されたマガジンを部品取り出し位置まで搬送するコ
ンベアとからなる請求項1記載の部品供給装置。 5.前記位置決め手段が、前記マガジンに設けた位置設
定用の複数の絞り加工穴に、テーパー状突起を嵌合させ
て位置固定する固定手段からなる請求項1または3記載
の部品供給装置。 6.前記支え手段が、透明な薄板にワイヤを貼着して形
成した網目面を有し、該網目面の網目寸法を任意に変更
可能に構成してなる請求項1記載の部品供給装置。 7.前記照明手段が、上面に乳白色の板を有し、該板の
下方に光源を設け、かつ下面および周囲を遮光した箱状
に形成されてなる請求項1記載の部品供給装置。 8.前記部品姿勢判定手段が、前記ロボットに取り付け
られたTVカメラと、該TVカメラによる撮像と予め撮
影された部品の基準位置および姿勢における撮像との位
置ずれを算出し、その算出情報を出力する情報出力手段
とを備えてなる請求項1記載の部品供給装置。 9.前記部品取り出し手段が、前記ロボットのハンドの
向きを決める駆動情報をマガジンの形状を判定して出力
するセンサーと、前記ハンドにより把持した部品を位置
および姿勢を前記基準状態に矯正する矯正機構に搬出し
、矯正された部品をワーク上に搬送するロボットとを備
えてなる請求項1記載の部品供給装置。
[Claims] 1. In a parts supply device that supplies automatically transported parts to an automatic workpiece assembly station via a robot, (i) flat plate-like parts loaded with unstable-shaped parts and stacked with the same external shape in the supply station; a plurality of magazines of the same shape and size made of transparent material; (ii) a transport means for sequentially moving the magazines from the supply station to a position for taking out parts in the magazines; and (iii) a plurality of magazines that are moved by the transport means. (iv) having a mesh surface with dimensions corresponding to the size of the components loaded in the magazine, and positioning means using the mesh surface to fix the position of the loaded magazine at the component removal position; (v) a support means having an elevating means for raising and supporting the loaded magazine from below and lowering it to release the support; (vi) recognizes the created shadow and compares the position and orientation of the part in the magazine of the recognized shadow with the reference position and orientation of the part; (vii) a part orientation determining means for determining the position and orientation and outputting difference information between the two; (vii) taking out parts one by one from the magazine and determining the position and orientation of the taken out parts at the reference position based on information from the part orientation determining means; and (viii) the magazine from which all the parts have been taken out is sequentially moved from the component take-out position to the transport means, which has a posture correction means for correcting the posture, and transports the part whose posture has been corrected onto the workpiece. 1. A component supply device comprising: a discharge means provided with a case that is moved by a magazine, is dropped and stored after moving a predetermined distance, and sequentially discharges the stored magazines. 2. The magazine has a plurality of partitions formed in accordance with the shapes and dimensions of the parts to be loaded, and each partition has a transparent sheet made of plastic that stores the parts in approximately the same attitude as the part to be assembled to the workpiece. 2. The component supply device according to claim 1, which comprises: 3. The magazine has a plurality of drawn holes for magazine position setting at symmetrical positions on the left and right sides and front and back of the magazine;
3. A plurality of drawn holes for vertical spacing and horizontal maintenance when stacking magazines are provided in the vicinity of the holes and at asymmetric positions in the left-right and front-rear directions, each of which protrudes from the lower surface of the magazine. parts supply device. 4. 2. The component supply device according to claim 1, wherein the conveyance means comprises a pusher that presses the magazine in the supply station from behind, and a conveyor that conveys the magazine pushed out by the pusher to a component removal position. 5. 4. The component supply device according to claim 1, wherein the positioning means comprises a fixing means for fixing the position by fitting a tapered protrusion into a plurality of drawn holes for position setting provided in the magazine. 6. 2. The component supply device according to claim 1, wherein the supporting means has a mesh surface formed by adhering wires to a transparent thin plate, and the mesh size of the mesh surface can be arbitrarily changed. 7. 2. The component supply device according to claim 1, wherein the illumination means has a milky-white plate on the upper surface, a light source is provided below the plate, and is formed in a box shape with the lower surface and the surrounding area shielded from light. 8. Information in which the component orientation determining means calculates a positional deviation between a TV camera attached to the robot, an image captured by the TV camera, and an image captured in a reference position and orientation of the component photographed in advance, and outputs the calculated information. 2. The component supply device according to claim 1, further comprising an output means. 9. The component extraction means conveys drive information that determines the direction of the robot's hand to a sensor that determines the shape of the magazine and outputs it, and a correction mechanism that corrects the position and orientation of the component gripped by the hand to the reference state. 2. The parts supply apparatus according to claim 1, further comprising a robot for transporting the corrected parts onto the workpiece.
JP2323301A 1990-11-28 1990-11-28 Parts supply device Expired - Lifetime JP3039876B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2323301A JP3039876B2 (en) 1990-11-28 1990-11-28 Parts supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2323301A JP3039876B2 (en) 1990-11-28 1990-11-28 Parts supply device

Publications (2)

Publication Number Publication Date
JPH04196398A true JPH04196398A (en) 1992-07-16
JP3039876B2 JP3039876B2 (en) 2000-05-08

Family

ID=18153256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2323301A Expired - Lifetime JP3039876B2 (en) 1990-11-28 1990-11-28 Parts supply device

Country Status (1)

Country Link
JP (1) JP3039876B2 (en)

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