JP3141482B2 - Optical imaging device for component mounters - Google Patents
Optical imaging device for component mountersInfo
- Publication number
- JP3141482B2 JP3141482B2 JP04018621A JP1862192A JP3141482B2 JP 3141482 B2 JP3141482 B2 JP 3141482B2 JP 04018621 A JP04018621 A JP 04018621A JP 1862192 A JP1862192 A JP 1862192A JP 3141482 B2 JP3141482 B2 JP 3141482B2
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- imaging device
- component
- image
- lens barrel
- 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.)
- Expired - Fee Related
Links
Landscapes
- Supply And Installment Of Electrical Components (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、部品実装機で電子部品
などの部品を基板へ実装するときに、ノズルに吸着され
た部品を撮像する部品実装機の光学撮像装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical image pick-up apparatus for a component mounter for picking up an image of a component sucked by a nozzle when a component mounter mounts a component such as an electronic component on a substrate.
【０００２】[0002]
【従来の技術】近年、部品の実装機のノズルによる部品
の吸着姿勢を光学撮像装置で撮像して基板に装着する際
にそのずれ量を補正するという方式が主流となってきて
いる。2. Description of the Related Art In recent years, a system has become mainstream in which a component mounting posture of a component mounting machine is imaged by an optical imaging device and the amount of deviation is corrected when the component is mounted on a substrate.
【０００３】以下に従来の光学撮像装置について説明す
る。図３に示すように、上下して部品６を吸着し装着
し、回転することのできるノズル１と、ノズル１が上下
するのに対応して横移動が可能な２枚の反射鏡１１を配
設した鏡筒１２と、レンズ３とＣＣＤなどの撮像素子４
を有する撮像装置５を備えている。点線は部品６からの
光の光路を示す。[0003] A conventional optical imaging device will be described below. As shown in FIG. 3, a nozzle 1 that can be rotated by vertically sucking and mounting the component 6 and two reflecting mirrors 11 that can be moved laterally in response to the nozzle 1 moving up and down are arranged. A lens barrel 12 provided, a lens 3 and an imaging device 4 such as a CCD.
Is provided. The dotted line shows the optical path of the light from the component 6.
【０００４】以上のように構成された光学撮像装置につ
いて、その動作を説明する。ノズル１が降下し部品６を
吸着し上昇した後に、図３に示すように鏡筒１２を一点
鎖線で示した位置から矢印Ａの方向へ実線で示した位置
に移動して撮像し、部品６のずれ量を計算し基板装着す
るときに補正していた。[0004] The operation of the optical imaging device configured as described above will be described. After the nozzle 1 descends and sucks the part 6 and moves up, as shown in FIG. 3, the lens barrel 12 is moved from the position shown by the dashed line to the position shown by the solid line in the direction of the arrow A to take an image. Was calculated and corrected when the substrate was mounted.
【０００５】図４に示すように、鏡筒１２の正確な位置
決め位置ａが△ｘだけずれてａ−△ｘに位置決めされた
とき、撮像装置５のレンズ３に入光する光路は、△ｘの
２倍がずれることになる。[0005] As shown in FIG. 4, when the accurate positioning position a of the lens barrel 12 is shifted by Δx and is positioned at a−Δx, the optical path entering the lens 3 of the imaging device 5 is Δx Is twice as large.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら上記の従
来の構成では、レンズに入光する光路がずれるので部品
６の像を正確に撮像することが困難であるという問題点
を有していた。However, the above-mentioned conventional configuration has a problem that it is difficult to accurately capture an image of the component 6 because the optical path for entering the lens is shifted.
【０００７】本発明は上記従来の問題点を解決するもの
で、鏡筒の位置決め精度にかかわらず正確にできる部品
実装機の光学撮像装置を提供することを目的とする。An object of the present invention is to solve the above-mentioned conventional problems and to provide an optical image pickup apparatus of a component mounting machine which can be accurately performed regardless of the positioning accuracy of a lens barrel.
【０００８】[0008]
【課題を解決するための手段】この目的を達成するため
に、本発明の部品実装機の光学撮像装置は、部品を吸着
するノズルと、前記ノズルの軸方向に平行な向きに並べ
られ前記ノズルとの間隔が一定に配設された撮像装置
と、前記ノズルが吸着した部品を前記撮像装置で撮像す
るために前記ノズルおよび撮像装置に対して相対的に移
動し位置合わせする鏡筒と、を備えた部品実装機の光学
撮像装置であって、前記鏡筒には、前記ノズルが吸着し
た部品の像を前記撮像装置へ入光する光路を定める少な
くとも３個以上である奇数個の反射鏡を配設したことを
特徴とする。 In order to achieve this object, an optical image pickup apparatus for a component mounting machine according to the present invention is provided for picking up a component.
Nozzle and the nozzle parallel to the axial direction of the nozzle
And an imaging device arranged at a constant distance from the nozzle
And pick up an image of the component adsorbed by the nozzle with the imaging device.
Relative to the nozzle and the imaging device.
Optics of a component mounter equipped with a lens barrel that moves and aligns
An imaging device, wherein the nozzle is attracted to the lens barrel.
A small optical path for entering the image of the
At least three odd mirrors were installed
Features.
【０００９】[0009]
【作用】本発明によると、上記した構成により、吸着ノ
ズルおよび撮像装置に対して鏡筒が相対的にずれて位置
決めされても、鏡筒にずれて入光した入射光と鏡筒から
の反射光との間隔は一定のため、正常に撮像装置で部品
の撮像をすることができる。 According to the present invention, according to the above configuration, the adsorption
The lens barrel is shifted relative to the camera and the imaging device.
Even if it is decided, the incident light that enters the lens barrel
Since the distance from the reflected light is constant,
Can be imaged .
【００１０】[0010]
【実施例】以下本発明の一実施例について、図面を参照
しながら説明する。An embodiment of the present invention will be described below with reference to the drawings.
【００１１】本発明の一実施例を示す図１ないし図３で
は、従来例と同一部品に同一番号を付して説明は省略す
る。In FIGS. 1 to 3 showing one embodiment of the present invention, the same parts as those of the conventional example are denoted by the same reference numerals and the description thereof will be omitted.
【００１２】図１に示すように、鏡筒７には３個の反射
鏡２が配設され、部品６からの光は３個の反射鏡２で反
射した光路をとる。As shown in FIG. 1, three reflecting mirrors 2 are disposed in a lens barrel 7, and light from a component 6 takes an optical path reflected by the three reflecting mirrors 2.
【００１３】ボールねじ８はモータ９によって回転し、
鏡筒７を一軸方向に移動させることができる。The ball screw 8 is rotated by a motor 9,
The lens barrel 7 can be moved in one axis direction.
【００１４】以上のように構成された光学撮像装置につ
いて、その動作を説明する。従来例で説明した動作と同
じ動作については説明は省略する。図２に示すように、
鏡筒７の正確な位置決め位置ａから鏡筒７がノズル１に
対して△ｙだけずれて、ａ−△ｙに位置決めされたとき
も撮像装置５のレンズ３に入光する光路はずれることな
く部品６の像は撮像素子４に対して、ずれずに像を結ぶ
ことができ、鏡筒７の位置決め精度にかかわらず正確に
撮像できる。The operation of the optical imaging device configured as described above will be described. The description of the same operation as the operation described in the conventional example is omitted. As shown in FIG.
Even when the lens barrel 7 is shifted from the accurate positioning position a of the lens barrel 7 by Δy with respect to the nozzle 1 and is positioned at a−Δy, the optical path for entering the lens 3 of the imaging device 5 does not shift. The image 6 can be formed without shifting with respect to the image sensor 4, and can be accurately captured regardless of the positioning accuracy of the lens barrel 7.
【００１５】[0015]
【発明の効果】以上の実施例の説明からも明らかなよう
に本発明は、吸着ノズルおよび撮像装置に対して鏡筒が
相対的にずれて位置決めされても、鏡筒にずれて入光し
た入射光と鏡筒からの反射光との間隔は一定のため、正
常に撮像装置で部品の撮像をすることができる。As is clear from the above description of the embodiment, the present invention has a lens barrel with respect to the suction nozzle and the imaging device.
Even if the lens is positioned relatively shifted, light enters the lens barrel
Since the distance between the incident light and the reflected light from the lens barrel is constant,
The component can always be imaged by the imaging device .
【図１】本発明の一実施例の光学撮像装置の要部の概念
を示す正面略図FIG. 1 is a schematic front view showing a concept of a main part of an optical imaging device according to an embodiment of the present invention.
【図２】（ａ）同光学撮像装置の鏡筒が正確に位置した
ときの光路を示した正面略図 （ｂ）同光学撮像装置の鏡筒が正確な位置から△ｙだけ
ずれて位置したときの光路を示した正面略図FIG. 2A is a schematic front view showing an optical path when a lens barrel of the optical imaging device is accurately positioned. FIG. 2B is a diagram illustrating a case where the lens barrel of the optical imaging device is displaced from the accurate position by Δy. Schematic diagram showing the optical path of
【図３】従来の光学撮像装置の要部の概念を示す正面略
図FIG. 3 is a schematic front view showing a concept of a main part of a conventional optical imaging device.
【図４】（ａ）同光学撮像装置の鏡筒が正確に位置した
ときの光路を示した正面略図 （ｂ）同光学撮像装置の鏡筒が正確な位置から△ｘだけ
ずれて位置したときの光路を示した正面略図FIG. 4A is a schematic front view showing an optical path when a lens barrel of the optical imaging device is accurately positioned. FIG. 4B is a diagram illustrating a case where the lens barrel of the optical imaging device is shifted from the accurate position by Δx. Schematic diagram showing the optical path of
２ 反射鏡 ３ レンズ ４ 撮像素子 ７ 鏡筒 2 Reflecting mirror 3 Lens 4 Image sensor 7 Lens barrel
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平３−103719（ＪＰ，Ａ) 特開 平２−188878（ＪＰ，Ａ) 特開 平４−102398（ＪＰ，Ａ) 実開 平２−2896（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H05K 13/04 H05K 13/08 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-103719 (JP, A) JP-A-2-188878 (JP, A) JP-A-4-102398 (JP, A) 2896 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) H05K 13/04 H05K 13/08
Claims (3)
軸方向に平行な向きに並べられ前記ノズルとの間隔が一
定に配設された撮像装置と、前記ノズルが吸着した部品
を前記撮像装置で撮像するために前記ノズルおよび撮像
装置に対して相対的に移動し位置合わせする鏡筒と、を
備えた部品実装機の光学撮像装置であって、前記鏡筒に
は、前記ノズルが吸着した部品の像を前記撮像装置へ入
光する光路を定める少なくとも３個以上である奇数個の
反射鏡を配設したことを特徴とする部品実装機の光学撮
像装置。1. A nozzle for sucking a component, and a
The nozzles are arranged in a direction parallel to the axial direction.
The imaging device arranged regularly and the parts to which the nozzle is sucked
The nozzle and the imaging device for imaging the image with the imaging device
A lens barrel that moves and aligns relatively to the device.
An optical imaging device for a component mounter, comprising:
Enters the image of the component adsorbed by the nozzle into the imaging device.
An odd number of three or more
An optical imaging device for a component mounter, comprising a reflecting mirror .
軸方向に平行な向きに並べられ前記ノズルとの間隔が一
定に配設された撮像装置と、前記ノズルが吸着した部品
を前記撮像装置で撮像するために前記ノズルおよび撮像
装置に対して相対的に移動し位置合わせする鏡筒と、を
備えた部品実装機の光学撮像装置であって、前記鏡筒に
は、前記ノズルが吸着した部品から受けたその部品の像
を反射する第１の反射鏡と、前記部品の像を撮像装置に
向けて反射する第２の反射鏡と、前記第１の反射鏡が反
射した前記部品の像を前記第２の反射鏡に向けて反射す
る第３の反射鏡と、を備えたことを特徴とする部品実装
機の光学撮像装置。 2. A nozzle for picking up a component, an imaging device arranged in a direction parallel to an axial direction of the nozzle and arranged at a constant distance from the nozzle, and an imaging device for picking up a component sucked by the nozzle. A lens barrel that relatively moves and aligns with respect to the nozzle and the image capturing apparatus for capturing an image, and an optical imaging device of a component mounter, wherein the nozzle is attracted to the lens barrel. A first reflecting mirror for reflecting an image of the part received from the part, a second reflecting mirror for reflecting the image of the part toward an imaging device, and an image of the part reflected by the first reflecting mirror And a third reflecting mirror that reflects the light toward the second reflecting mirror.
記ノズルが吸着した部品を撮像する位置に鏡筒を移動さ
せ、前記ノズルが部品を吸着するためノズルの軸方向に
動く時に鏡筒を退避させる移動手段を備えた請求項１ま
たは請求項２記載の部品実装機の光学撮像装置。 3. The lens barrel is moved to a position where the nozzle picks up the component picked up by the nozzle when the nozzle picks up the component, and the lens barrel is retracted when the nozzle moves in the axial direction of the nozzle to pick up the component. 3. The optical image pickup device for a component mounter according to claim 1, further comprising a moving unit for moving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04018621A JP3141482B2 (en) | 1992-02-04 | 1992-02-04 | Optical imaging device for component mounters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04018621A JP3141482B2 (en) | 1992-02-04 | 1992-02-04 | Optical imaging device for component mounters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05218694A JPH05218694A (en) | 1993-08-27 |
| JP3141482B2 true JP3141482B2 (en) | 2001-03-05 |
Family
ID=11976701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04018621A Expired - Fee Related JP3141482B2 (en) | 1992-02-04 | 1992-02-04 | Optical imaging device for component mounters |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3141482B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3376630B2 (en) * | 1993-04-08 | 2003-02-10 | 松下電器産業株式会社 | Component mounting device |
-
1992
- 1992-02-04 JP JP04018621A patent/JP3141482B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05218694A (en) | 1993-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |