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JP3774403B2 - Element transfer sorting device - Google Patents

Element transfer sorting device Download PDF

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Publication number
JP3774403B2
JP3774403B2 JP2001381998A JP2001381998A JP3774403B2 JP 3774403 B2 JP3774403 B2 JP 3774403B2 JP 2001381998 A JP2001381998 A JP 2001381998A JP 2001381998 A JP2001381998 A JP 2001381998A JP 3774403 B2 JP3774403 B2 JP 3774403B2
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chip
transport
suction
storage
unit
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JP2003181383A (en
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章 石塚
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Yunitec Corp
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Yunitec Corp
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Description

【0001】
【発明の属する技術分野】
本発明は、供給位置に供給されたチップを搬送手段で搬送しつつ検査をし、検査結果に応じて収納部に分別収納する装置に関する。
【0002】
【従来の技術】
従来から、素子であるチップ部品型LED等のチップを搬送しつつ、チップの搬送経路の近傍に設けられた検査装置でチップの品質検査を行い、検査結果に応じて分別することが行われている。このような分別作業に用いられる装置としては、図7に示す搬送分別装置を例示できる。
【0003】
搬送分別装置は、直線状の搬送路6上に配列された状態で連続的に供給されるチップtを、図7中矢印YD方向に間歇回転する吸引保持円盤71の下方まで搬送する。吸引保持円盤71の周縁部には所定間隔で吸引ノズル711が設けられており、吸引保持円盤71の下方まで供給されたチップをこの吸引ノズル711で1個ずつ吸引保持して搬送路6上から取り上げて搬送し、吸引保持円盤71に同期して図7中矢印YE方向に間歇回転する持替搬送円盤72に供給する。
【0004】
持替搬送円盤72の周縁部には、チップtを保持するための挟持部722が、所定間隔で設けられており、持替搬送円盤72に供給されたチップtのLEDが設けられた面が持替搬送円盤72の外方を向く姿勢となるよう、挟持部722の先端挟持爪722Aで挟持して搬送する。
【0005】
持替搬送円盤72の外方には、チップtの品質を検査するための検査装置73が設けられており、持替搬送円盤72で搬送されるチップtは、この検査装置73により品質検査がなされた後、持替搬送円盤72に同期して図7中矢印YF方向に間歇回転する分別円盤74に供給される。分別円盤74は、その周縁部に保持孔741が所定間隔で設けられおり、分別円盤74に供給されたチップtは、保持孔741の上方に近接した位置まで搬送されると、持替搬送円盤72の挟持部722の先端挟持爪722Aによる挟持を解かれて、保持孔741内に落下して、分別円盤74により搬送される。
【0006】
このようにして、分別円盤74により搬送されるチップtは、分別円盤74による搬送経路の下方に設けられた複数の回収孔75の内、検査結果に対応した回収孔75の上方に位置すると、回収孔75の底面が開放して、保持孔741から回収孔75内に落下するようになっている。そして、回収孔75内に落下したチップtは、回収孔75に連通する図示しない収納部に回収されるようになっている。
【0007】
ここで、この従来の搬送分別装置では、図8(a),(b)に示すように、搬送路6上を搬送されるチップtは、その底面(面積が大きな面)を下に向けて搬送路6上に載置されたて状態で、搬送路6の振動により搬送路6上を搬送路6の先端側に向けて移動する。そして、吸引保持円盤71の吸引ノズル711の下方まで移動したチップtは、搬送路6の上方から下降してきた吸引ノズル711により吸引保持されて、搬送路6上から上方に向けて取り上げられるようになっている。この場合、チップtは、図8(a),(b)に示すように、両側部が肉薄に形成されており、また、その両側肉薄部t1が前後方向を向くような姿勢で搬送路6上を移動する。
【0008】
このため、搬送路6上に載置されたチップtは、搬送路6の振動により、図8(a),(b)に示すように、両側肉薄部t1同士が重なり合った状態となることがある。このような状態では、吸引保持する目的のチップtの肉薄部t1上に乗り上げた後続のチップtが邪魔になり、目的のチップtを、チップt上方から吸引ノズル711で吸引保持して、搬送路6上から取り上げることが出来ない。そして、このような事態は、図8(a),(b)に示すような両側に肉薄部t1を備える形状のチップtに限らず、単に四角板状に形成されたチップであっても、製造時に生じるバリがその両側から外方に向けて突出した状態では、目的とするチップtのバリ上に後続するチップtが乗り上げ、吸引ノズル711による吸引保持をうまく行えない場合があった。
【0009】
また、このチップ搬送分別装置では、上面にLEDが設けられたチップを分別することもあるが、このような場合、このチップ搬送分別装置では、品質検査の際にチップtの上面を検査装置73側に向ける必要がある。しかし、このチップ搬送分別装置では、吸引ノズル711でチップtの上面を吸引保持するため、持替搬送円盤72に保持された状態のチップtが上面を持替搬送円盤72の外方に向けた状態となるよう、品質検査の前にチップtを持ち替える必要があり、その分、装置の構成が複雑になり、また、装置が大型化するという問題があった。
【0010】
さらに、吸引ノズル711で吸引保持されたチップtを、持替搬送円盤72の挟持部722の先端挟持爪722A間に供給する場合には、圧縮空気を吹き付けることにより吸引ノズル711による吸引を解いて、先端挟持爪722A間に落下させることが行われていたが、静電気によりチップtが吸引ノズル711の外周縁部に付着してしまい、供給作業をうまく行えないという問題点があった。
【0011】
また、収納部は、一般にチップtを収納するための複数の収納容器と、各収納容器をその前端面から出し入れ可能に収容する本体部とからなるが、複数の収納容器を本体部から取り出した後、本体部に戻す場合には、チップtのサイズが小さいため、収納容器の区別がつかず、本来収容すべき位置と異なる位置に収納容器を戻してしまうおそれがあった。
【0012】
このように、従来のチップ搬送分別装置では、チップ等の素子の分別作業をうまく行うことができなかった。
【0013】
本発明は、前記事情に鑑みてなされたものであって、素子の分別作業をうまく行うことができる素子搬送分別装置を提供することを目的とするものである。
【0014】
【課題を解決するための手段】
前記課題を解決するため本発明に係る素子搬送分別装置は、素子が載置された搬送路を振動させて、前記素子を当該搬送路上において姿勢を整列させつつ移動させて供給する供給手段と、前記供給手段の搬送路上の素子を、前記搬送路の上方から保持手段で吸引保持して搬送する搬送手段と、前記搬送手段で搬送される素子を検査する検査装置と、前記保持手段による吸引を解く吸引解除手段と、前記吸引解除手段により前記保持手段による吸引を解かれた素子を、前記検査装置による検査結果に応じて分別して収納する収納部と、を備える素子搬送分別装置であって、前記供給手段は、前記搬送路上において前記素子を振動により移動させ、前記保持手段で吸引保持するための吸引位置に供給するものであって、前記素子の面積が大きな面を垂直として前記搬送路上に載置された状態で搬送し、前記保持手段は、前記素子の面積が大きな面に直交する側面を吸引保持する構成とした。
【0015】
この素子搬送分別装置は、供給手段により搬送路上を素子を移動させて所定の供給位置に供給し、供給位置に供給された素子を、搬送路の上方から保持手段で吸引保持して搬送手段により搬送し、搬送手段で搬送される素子を検査装置で検査した後、吸引解除手段で保持手段による吸引を解いて、検査結果に応じて分別して収納部に収納するものである。そして、前記供給手段は、素子が載置された搬送路を振動させて、前記素子を前記搬送路上を移動させて、前記保持手段による吸引位置に供給するようになっている。
【0016】
この場合、この素子搬送分別装置では、前記供給手段が、前記素子を、前記素子の面積が大きな面を垂直として前記搬送路上に載置された状態で搬送するよう構成されている。このため、この素子搬送分別装置によれば、搬送路上に載置された素子の両側肉薄部同士が搬送路の振動により重なり合った状態となったとしても、保持手段で吸引保持しようとする目的の素子の上方が開放した状態となっているため、素子の上方から下降してきた保持手段で素子を吸引し、搬送路上から取り上げる場合に、吸引保持しようとする目的の素子の上に乗り上げた後続の素子が、目的の素子の取り上げ作業の邪魔になることがなく、保持手段への素子の供給を正確に行うことができる。また、上面にLEDが設けられた素子を分別する場合にも、素子の上面が開放した状態で搬送手段による搬送を行えるため、素子の姿勢を変えることなくLEDの品質検査ができ、分別作業に要する手間を省くことができる。
【0017】
前記素子搬送分別装置において、前記吸引解除手段は、前記搬送手段により搬送されてきて、前記収納部に素子を回収するための回収口の近傍に位置した素子に対してエアーを噴射する噴射手段と、該素子を前記回収口内に吸引する吸引手段と、を備える構成とした。
【0018】
この素子搬送分別装置も、前記した素子搬送分別装置と同様に、供給手段により供給された素子を、保持手段で吸引保持した状態で搬送手段で搬送しつつ検査装置で検査し、吸引解除手段で保持手段による吸引を解いて、検査結果に応じて分別して収納部に収納するものであるが、前記吸引解除手段は、前記搬送手段により搬送されてきて、前記収納部に素子を回収するための回収口の近傍に位置した素子に対してエアーを噴射する噴射手段と、該素子を前記回収口内に吸引する吸引手段とを備える構成となっている。
【0019】
このため、この素子搬送分別装置によれば、前記保持手段で吸引保持された状態で前記搬送手段で搬送されてきて、前記収納部に素子を投入するための回収口の近傍に位置した素子に対して、噴射手段からエアーを吹き付けると共に、吸引手段で該素子を回収口内に吸引することにより、静電気により素子が保持手段や回収口内に付着するのを防止でき、保持手段に保持された素子に単にエアーを吹き付ける場合に比べて、素子を回収口から収納部に正確に導入させることができ、素子の分別回収を効率よく行える。
【0020】
前記素子搬送分別装置において、前記収納部は、素子を収納する複数の収納容器と、前記各収納容器をその前端面から出し入れ可能に収容する本体部と、を備え、前記本体部の前端面と前記収納容器の前端面とには、互いに係合可能に形成された係合部が、各収納容器の前端面の異なる位置に、列を示す列係合部と行を示す行係合部とを有するよう設けられている構成とした。
【0021】
この素子搬送分別装置も、前記した素子搬送分別装置と同様に、供給手段により供給された素子を、保持手段で吸引保持した状態で搬送手段で搬送しつつ検査装置で検査し、吸引解除手段で保持手段による吸引を解き、検査結果に応じて分別して収納部に収納するものであるが、前記収納部は、素子を収納する複数の収納容器と、前記各収納容器をその前端面から出し入れ可能に収容する本体部とを備え、前記本体部の前端面と前記収納容器の前端面とには、互いに係合可能に形成された係合部が、各収納容器の前端面の異なる位置に、列を示す列係合部と行を示す行係合部とを有するよう設けられている構成となっている。
【0022】
この素子搬送分別装置によれば、素子を収納するための収納部を構成する本体部の前端面と収納容器の前端面とに、互いに係合可能に形成された係合部を、各収納容器の前端面の異なる位置に、列を示す列係合部と行を示す行係合部とを有するよう設けているため、収納容器を本体部の本来の収容位置と異なる位置に収容しようとした場合には、係合部が収納容器と本体部とに当接し、収納容器の本体部内への侵入が規制される。このため、複数の収納容器を本体部から取り出した後に、本体部に収容する場合でも、収納容器の入れ間違えを防止できる。
【0023】
【発明の実施の形態】
以下、本発明の一実施形態に係るチップ搬送分別装置について、図面を参照して説明する。図1は本発明の一実施形態に係るチップ搬送分別装置の概略図である。
【0024】
チップ搬送分別装置は、素子であるチップ部品型LED等のチップtを搬送しつつ、チップtの電気的特性等の検査を行い、検査結果に応じて分別回収するものであり、図1に示すように、チップtを搬送する搬送部1と、搬送部1にチップtを供給する供給部2とが基台Aの上面に設けられており、また、基台A内部には搬送部1で搬送されたチップtを分別収納する収納部5を備える。
【0025】
供給部2は、ランダムに供給されたチップtを所定の姿勢で一列に整列させて搬送部1に供給するためのものであり、図2に示すように、チップtを一旦貯留すると共に貯留したチップtを所定の姿勢で整列させるボウル部21と、ボウル部21から供給されたチップtを後記する搬送部1の吸引ノズル12(図4参照)で吸引保持するための供給位置に一列に整列した状態で搬送する直線部22と、ボウル部21及び直線部22を基台Aの上面に沿って且つボウル部21の周方向に沿って振動させるための図示しない加振機構と、を備える。
【0026】
ボウル部21は、略円形の底面21Aが中央部から周縁部にかけて緩やかに下降傾斜する形状に形成された有底筒状体から構成され、その内周壁21Bの下縁部から上縁部にかけて、内周壁21Bの周方向に沿って螺旋状の段差部が設けられており、この段差部の上面がチップtを所定の姿勢で整列させて直線部22に供給するための供給通路211となっている。ボウル部21には、所定の姿勢のチップtのみを直線部22に供給するための流通規制部212と図示しない姿勢整理部とが設けられている。
【0027】
流通規制部212は、供給通路211の幅を狭くして形成されており、供給通路211上に複数並んだ状態で載置されたチップtを供給通路211上から脱落させて、供給通路211上にチップtが一列に並んだ状態となるよう構成されている。そして、供給通路211の最も下流側に設けられた流通規制部212は、供給通路211をチップtの側面の高さよりやや幅広に形成して構成されており、上面又は下面が供給通路211上に載置されたチップtが、この流通規制部212において供給通路211から脱落するようになっている。また、姿勢整理部は、供給通路211の近傍に設けられた図示しない姿勢検出器でチップtの姿勢を検出して、上面をボウル部21の内周壁21Bに向けた状態で供給通路211上に載置されたチップtに対して図示しない噴射口から圧縮空気を噴射して供給通路211から落下させるようになっている。
【0028】
直線部22は、その基端部22Aがボウル部21の上端部に接続され、基端部22A側から先端部22B側にかけて緩やかに下降傾斜して形成されている。直線部22は、図3に断面で示すように、その内部にチップtが移動するための搬送通路221が設けられている。直線部22の先端には、搬送通路221の先端まで搬送されてきたチップtの移動を停止するためのストッパ222が、搬送通路221の先端を覆うように取り付けられている。直線部22は、その先端部22Bの上面が開放して、搬送通路221が外部に露出し、後記する搬送部1の搬送回転基盤11(図3)に設けられた吸引ノズル12が、上方から搬送通路221内に進入し得るようになっており、吸引ノズル12に対する部品供給装置となっている。
【0029】
搬送通路221は、その幅がチップtの厚みよりやや幅広に形成されており、また、高さがチップtの幅よりもやや高くなるよう設定されている。搬送通路221は、その基端部22Aがボウル部21の供給通路211の上端限に連通しており、先端部22Bが後記する搬送部1の搬送回転基盤11の回転動作に伴う吸引ノズル12の移動経路の下方まで延設されている。
【0030】
これらボウル部21及び直線部22から構成される供給部2は、図示しない加振機構によりボウル部21を振動させ、この振動により、ボウル部21に供給されたチップtを、図2に矢印で示すように、ボウル部21の底面21Aを中央部から周縁部まで移動させ、更にボウル部21の内周壁21Bに設けられた供給通路211をボウル部21の内周壁21Bの下縁部から上縁部にかけて移動させる。そして、流通規制部212及び図示しない姿勢整理部において、上面をボウル部21の中心側に向け且つ側面が供給通路211に載置された状態のチップtのみを直線部22の搬送通路221内に導入させ、図3に示すように、直線部22の搬送通路221を基端側から先端側にかけて移動させて、搬送通路221の先端の部品供給位置に供給するようになっている。
【0031】
搬送部1は、供給部2から供給されたチップtを搬送するためのものであり、図4に示すように、円盤状の搬送回転基盤11と、搬送回転基盤11に設けられた吸引ノズル12と、搬送回転基盤11を基台Aの上面に対して上下動させつつ基台Aの上面に沿って間歇回転させる図示しない駆動機構と、吸引ノズル12による吸引を行うための図示しない負圧供給源とを備える。
【0032】
搬送回転基盤11は、基台Aの上端面の上方に、基台Aの上端面に対して上下動可能に、かつ、基台Aの上端面に沿って回転可能に支持されており、図示しない駆動機構により、図4中矢印YA方向に間歇回転しつつ上下動し、下降限に位置した際に矢印YA方向への回転を一旦停止するといった動作を繰り返すようになっている。
【0033】
吸引ノズル12は、供給部2から供給されたチップtを吸引保持するためのものであり、搬送回転基盤11の周縁部に所定間隔で設けられている。吸引ノズル12は、先端部が搬送回転基盤11の下面から搬送回転基盤11の下方に突出して設けられ、搬送回転基盤11の上面から搬送回転基盤11の上方に突出した基端部には、基台A内に設けられた図示しない負圧供給源にその一端が接続されたチューブの他端が接続されており、図示しない負圧供給源の負圧によりその先端でチップtを吸引保持し得るようになっている。
【0034】
このような構成の搬送部1は、図示しない駆動機構により、搬送回転基盤11が、基台Aの上面に沿って図4中矢印YA方向に間歇回転しつつ基台Aの上面に対して上下動するといった動作を繰り返し、搬送回転基盤11の下降動作に伴い、図3(b)に矢印YBで示すように、直線部22の上方から下降してきた吸引ノズル12の先端が直線部22の搬送通路221内に進入してくる。そして、搬送回転基盤11が下降限に位置して一旦動作を停止すると、吸引ノズル12が部品供給位置に位置したチップtの上方に近接して位置し、図示しない負圧供給源の負圧により、吸引ノズル12でチップtを吸引保持する。この状態から、搬送回転基盤11が動作を再開すると、図3(b)中矢印YCで示すように、部品供給位置の上方に向けて吸引ノズル12が上昇し、これに伴いチップtを搬送通路221上から取り上げて、搬送回転基盤11の回転動作に従って、図4中矢印YA方向に搬送するようになっている。
【0035】
搬送回転基盤11の下方には、図1に示すように、チップtの電気的特性、光度、色調等を検査するための検査装置3が、吸引ノズル12で吸引保持された状態で搬送されるチップtの搬送経路の近傍に位置するよう配置されている。
【0036】
また、搬送回転基盤11の下方における検査装置3に対して下流側には、図4に示すように、検査装置3で検査のなされたチップtを回収するための回収部4が、搬送回転基盤11の回転に伴う吸引ノズル12の移動経路に沿って設けられている。
【0037】
回収部4は、図5に示すように、搬送回転基盤11によるチップtの搬送経路における検査装置3の下流側に設けられた円弧状基体41と、円弧状基体41に設けらけられた圧縮空気噴射口42及びチップ回収口43とを備える。
【0038】
円弧状基体41は、図4に示すように、搬送回転基盤11の下方に、搬送回転基盤11の回転動作に伴う吸引ノズル12の移動経路に沿って設けられている。円弧状基体41は、図5(b)に示すように、断面略U字状に形成されており、搬送回転基盤11が下降限に位置した際に吸引ノズル12の先端部がU字状部41A内に侵入するよう構成されている。
【0039】
圧縮空気噴射口42は、円弧状基体41のU字状部41Aの内側内周壁に所定間隔で設けられ、吸引ノズル12が下降限に位置した際に、図示しない空気供給源から供給された圧縮空気をU字状部41A内に噴射して、吸引ノズル12に吸引保持されたチップtをチップ回収口43側に吹き飛ばすようになっている。
【0040】
チップ回収口43は、円弧状基体41のU字状部41Aの外側内周壁に圧縮空気噴射口42に対向して開口しており、図示しない負圧供給源による負圧により、U字状部41A内を吸引するようになっている。
【0041】
このような構成の回収部4は、吸引ノズル12に吸引保持されたチップtが、搬送回転基盤11の下降動作に伴い、図5に示すように、円弧状基体41の略U字状部41A内に進入して、圧縮空気噴射口42とチップ回収口43との間に位置すると、図示しない圧縮空気供給源から供給された圧縮空気を圧縮空気噴射口42からチップtに吹き付けると共に図示しない負圧供給源の負圧によりチップ回収口43内に吸引して、吸引ノズル12による吸引を解いて、チップ回収口43内にチップtを投入するようになっている。
【0042】
収納部5は、図6に示すように、基台Aの下部の一側面に上下方向に設けられた二列の上部収納部51と下部収納部52とから成り、本体部である上部収納部51及び下部収納部52の幅方向に沿って開口する上下2列の収容口511,521に、チップtを収納するための収納容器512,522が収容されるようになっている。収納容器512,522は、その前面に把持部512C,522Cを備え、把持部512C,522Cを把持して収容口511,521から出し入れできるようになっている。
【0043】
収容口511の上縁部における、各収納容器512の前端面の上縁部の一側側に対応する位置には、収容口511内に突出するように列係合凸片511Aが設けられている。また、収容口521の上縁部における、各収納容器522の前端面の上縁部の他側側に対応する位置には、収容口521内に突出するように列係合凸片521Aが設けられている。
【0044】
そして、収容口511,521には、収納容器512,522の幅と同様の間隔で、行係合凸片511B,521Bが設けられている。行係合凸片511B,521Bは、収容口511,521の一端側から他端側にかけて、収容口511,521の高さ方向に徐々に高い位置となるように設けられている。
【0045】
上部収納部51に収容される収納容器512は、収容口511の列係合凸片511A,521A及び行係合凸片511B,521Bに対応する位置に、それぞれ列係合凸片511A,521A及び行係合凸片511B,521Bが係合し得るよう構成された列係合凹部512A,522A及び行係合凹部512B,522Bが設けられている。
【0046】
次に、このチップ搬送分別装置を用いたチップtの分別作業を説明する。このチップ搬送分別装置を用いてチップtを分別する場合、まず、チップtをボウル部21にランダムに供給する。ボウル部21に供給されたチップtは、ボウル部21の振動により、図2に矢印で示すように、ボウル部21の底面21Aを中央部側から周縁部側にかけて移動しつつボウル部21の周方向に沿って移動する。ボウル部21の底面の周縁部に移動したチップtは、その一部がボウル部21の内周壁21Bに設けられた供給通路211に進入し、図2に矢印で示すように、供給通路211をボウル部21の上縁部に向けて移動する。
【0047】
供給通路211上を移動するチップtは、流通規制部212において供給通路211の幅方向に並んで載置されたものが供給通路211から脱落し、更に最も供給通路211の下流側に設けられた流通規制部212において上下面及び前後面が供給通路211上に載置されたものが供給通路211上から脱落し、上面をボウル部21の周縁部側に向けたものが図示しない姿勢整理部において供給通路211上から脱落して、上面(面積の大きな面)をボウル部21の中心部側に向け且つ側面が供給通路211上に載置されたもののみが、供給通路211に連通する搬送通路221内に進入する。
【0048】
搬送通路221内に侵入したチップtは、図3に示すように、幅方向の一側面(面積の大きな面)を垂直にして搬送通路221上に載置されて、搬送通路221の基端側から先端側にかけて一列に整列した状態で、搬送通路221の振動により搬送通路221の基端側から先端側にかけて搬送通路221上を移動し、吸引ノズル12によりチップtを吸引するための部品供給位置である搬送通路221の先端に至るとストッパ222により移動を停止する。
【0049】
部品供給位置の上方では、搬送回転基盤11が間歇回転しつつ上下動しており、搬送回転基盤11の動作に応じて、図3(b)中矢印YBで示すように搬送通路221の上方から下降してきた吸引ノズル12の先端に、部品供給位置まで搬送されてきたチップtが吸引保持される。そして、チップtを吸引保持した吸引ノズル12は、搬送回転基盤11の動作に応じて、図3(b)中矢印YCで示すように搬送通路221の上方に向けて上昇する。
【0050】
この場合、図3に示すように、搬送通路221上に載置されたチップtの両側の肉薄部t1同士が搬送通路221の振動により重なり合った状態となる場合もあるが、この場合でも、チップtを、チップtの面積が大きな面を垂直として搬送通路221上に載置した状態で搬送するため、吸引ノズル12で吸引保持しようとする目的のチップtの上に後続するチップtが乗り上げることがなく、目的とするチップtの取り上げ作業を正確に行うことができる。
【0051】
このようにして吸引ノズル12に吸引保持されたチップtは、搬送回転基盤11の回転動作に応じて、そのLEDが設けられた上面(面積の大きな面)を搬送回転基盤11の外方に向けた状態で、図4中矢印YA方向に搬送される。搬送回転基盤11により搬送されるチップtは、搬送回転基盤11が下降限に位置して回転動作及び上下動を一旦停止した際に、検査装置3に近接した状態となり、この状態でチップtの電気特性等の検査がなされ、検査結果に応じてチップtが分類される。検査装置3による検査がなされたチップtは、搬送回転基盤11が回転動作及び上昇動作を再開すると搬送回転基盤11の動作に従って再び図4中矢印YA方向への移動を開始する。そして、搬送回転基盤11により搬送されるチップtは、その搬送経路における検査装置3よりも下流側に設けられた回収部4に搬送される。
【0052】
この場合、搬送回転基盤11で搬送されるチップtは、吸引ノズル12により、その側面を吸引されて、LEDが設けられたチップtの上面が開放した状態で検査装置3に近接して位置するため、検査装置3での検査に際してチップtの姿勢を変える必要がなく、分別作業全体としての手間を省くことができる。
【0053】
回収部4においては、吸引ノズル12に吸引保持されたチップtは、図5(b)に示すように、搬送回転基盤11の回転動作及び上下動により円弧状基体41のU字状部41A内に侵入した状態とU字状部41Aの上方に退避した状態とを繰り返しつつ移動する。ここで、円弧状基体41のU字状部41A内に侵入した状態では、吸引ノズル12に吸引保持されたチップtは、図5に示すように、円弧状基体41のU字状部41Aの内側内側壁に設けられた圧縮空気噴射口42と、U字状部41Aの外側内側壁に設けられたチップ回収口43との間に位置した状態となる。
【0054】
このような動作を繰り返して、検査結果に対応したチップ回収口43まで搬送されたチップtは、圧縮空気噴射口42から噴射された圧縮空気を吹き付けられると共にチップ回収口43に吸引され、チップ回収口43内に導入される。チップ回収口43内に導入されたチップtは、図示しない導入管内を移動して、収納部5の各収納容器512、522内に投入される。このような動作を各チップt毎に繰り返すことにより、チップtの分別作業が行われる。
【0055】
このようにチップ回収口43の近傍に位置したチップtに対して、圧縮空気噴射口42から圧縮空気を吹き付けると共に、図示しない負圧供給源によりチップ回収口43内を吸引することにより、静電気によりチップtが吸引ノズル12やチップ回収口43内に付着するのを防止でき、吸引ノズル12に保持されたチップtに単にエアーを吹き付ける場合に比べて、チップtをチップ回収口43から収納部5に正確に導入させることができ、チップtの分別回収を効率よく行える。
【0056】
ここで、分別作業の終了後又は分別作業の途中で収納容器512,522を収容口511,521から抜き出す作業は、目的の収納容器512,522の把持部512C,522Cを把持して、収容口511,521から収納容器512,522を引き出すことにより行われる。
【0057】
この場合、収容口511,521の前端面と収納容器512,522の前端面とに、互いに係合可能に設けられた列係合凸片511A,521A及び行係合凸片511B,521Bと、列係合凹部512A,522A及び行係合凹部512B,522Bとが、各収納容器512,522毎の異なる位置に設けられているため、収納容器512,522を収容口511,521の本来の収容位置と異なる位置に収容しようとした場合には、列係合凸片511A,521A又は列係合凹部512A,522Aが収納容器512又は収容口511に当接し、収納容器512,522の収容口511,521内への侵入が規制され、複数の収納容器512,522を収容口511,521から取り出した後に、収容口511,521に収容する場合でも、収納容器512,522の入れ間違えを防止できる。
【0058】
なお、本発明のチップ搬送分別装置は、前記実施の形態のチップ搬送分別装置に限定されず、本発明の要旨を逸脱しない限り適宜変更して差し支えない。例えば、前記実施の形態では、幅方向両側部が肉薄に形成された略四角板状のチップtを供給する場合について説明した。しかし、供給対象のチップt形状は、前記実施の形態でのものに限定されず、例えば、単に四角板状に形成されたチップtでもよい。この場合でも、チップtを製造する際にチップtの両側にバリが生じていると、目的のチップtのバリ上に後続するチップtが乗り上げ、目的のチップtを搬送路上から取り上げることができなくなる虞がある。しかし、本発明のチップ搬送分別装置によれば、目的のチップt上に後続のチップtが乗り上げることがないため、チップtを搬送通路221上から正確に取り上げることができ、搬送部1への部品供給を正確に行うことができる。
【0059】
前記実施の形態では、チップtを搬送部1に供給するための供給部2がボウル部21と直線部22とから構成されるものであったが、チップtを所定の姿勢で一列に並んだ状態で搬送通路221上に載置できるのであれば、必ずしもボウル部21を備える構成である必要はなく、直線部22のみを備える構成としてもよい。
【0060】
前記実施の形態では、収容口511,521及び収納容器512,522の異なる位置に列係合凸片511A,521A及び行係合凸片511B,521Bと、列係合凹部512A,522A及び行係合凹部512B,522Bとを備える構成としたが、収容口511,521の所定位置と異なる位置に収納容器512,522を収容するのを防止できるのであれば、この構成に限定されず、例えば、収容口511,521における収納容器512,522に対応した位置に収納容器512,522毎の異なる形状の突起及び凹部を設ける構成としてもよい。
【0061】
【発明の効果】
以上説明したように、本発明の請求項1に記載の素子搬送分別装置によれば、素子を、素子の面積が大きな面を垂直として搬送路上に載置された状態で、保持手段による吸引位置に供給するため、搬送路上に載置された素子の両側肉薄部同士が搬送路の振動により重なり合った状態となったとしても、目的の素子の上方が開放した状態となっているため、素子の上方から下降してきた保持手段で素子を吸引し、搬送路上から取り上げる場合に、目的の素子に重なった素子が、目的の素子の取り上げ作業の邪魔になることがなく、保持手段への素子の供給を正確に行うことができる。また、上面にLEDが設けられたチップ部品型LED等の素子を分別する場合にも素子の上面が開放した状態で保持手段による搬送を行えるため、素子の姿勢を変えることなくLEDの品質検査ができ、分別作業に要する手間を省くことができる。
【0062】
本発明の請求項2に記載の素子搬送分別装置によれば、保持手段で吸引保持された状態の素子に対し、搬送手段による素子の搬送経路の近傍に設けられた噴射手段からエアーを吹き付けると共に、吸引手段で素子を回収口内に吸引することにより、静電気により素子が保持手段や回収口内に付着するのを防止でき、保持手段に保持された素子に単にエアーを吹き付ける場合に比べて、素子を回収口内に正確に導入させることができ、素子の分別回収を効率よく行える。
【0063】
本発明の請求項3に記載の素子搬送分別装置によれば、素子を収納するための収納部を構成する本体部の前端面と収納容器の前端面とに、互いに係合可能に形成された係合部を、各収納容器の前端面の異なる位置に、列を示す列係合部と行を示す行係合部とを有するよう設けているため、収納容器を本体部の本来の収容位置と異なる位置に収容しようとした場合には、係合部が収納容器と本体部とに当接し、収納容器の本体部内への侵入が規制される。このため、複数の収納容器を本体部から取り出した後に、収納容器を本体部に収容する場合でも、収納容器の入れ間違えを防止できる。
【図面の簡単な説明】
【図1】本発明の一実施例に係るチップ搬送分別装置の概略を説明する図であり、(a)は平面図、(b)は正面図である。
【図2】同チップ搬送分別装置を構成する供給部を示す斜視図である。
【図3】(a),(b)は同供給部を構成する直線部でのチップの搬送状態を説明する図である。
【図4】同チップ搬送分別装置を構成する搬送部を示す斜視図である。
【図5】(a),(b)は同搬送部を構成する吸引ノズルに吸引保持されたチップを回収する際の動作を説明する図である。
【図6】同チップ搬送分別装置を構成する収納部を示す正面図である。
【図7】従来の搬送分別装置の概略を説明する図である。
【図8】(a),(b)は従来の搬送分別装置の供給部でのチップの搬送状態を説明する図である。
【符号の説明】
1 搬送部
11 搬送回転基盤
12 吸引ノズル
2 供給部
21 ボウル部
22 直線部
221 搬送通路
3 検査装置
4 回収部
41 円弧状基体
42 圧縮空気噴射口
43 チップ回収口
5 収納部
51 上部収納部
511 収容口
512 収納容器
52 下部収納部
521 収容口
522 収納容器
511A,521A 列係合凸片
511B,521B 行係合凸片
512A,522A 列係合凹部
512B,522B 行係合凹部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an apparatus for inspecting chips supplied to a supply position while being conveyed by a conveying means, and separating and storing them in a storage unit according to the inspection result.
[0002]
[Prior art]
Conventionally, chip quality inspection is performed by an inspection device provided in the vicinity of a chip conveyance path while conveying chips such as chip component type LEDs, which are elements, and sorting is performed according to inspection results. Yes. As an apparatus used for such a sorting operation, a conveyance sorting apparatus shown in FIG. 7 can be exemplified.
[0003]
The conveying and separating apparatus conveys the chips t continuously supplied in a state of being arranged on the linear conveying path 6 to below the suction holding disk 71 that rotates intermittently in the direction of arrow YD in FIG. Suction nozzles 711 are provided on the peripheral edge of the suction holding disk 71 at predetermined intervals, and the chips supplied to the lower part of the suction holding disk 71 are sucked and held one by one by the suction nozzle 711 from above the transport path 6. It is picked up and transported, and supplied to a transfer transport disc 72 that rotates intermittently in the direction of arrow YE in FIG.
[0004]
On the peripheral edge of the transfer conveyance disk 72, there are provided clamping parts 722 for holding the chip t at a predetermined interval, and the surface on which the LED of the chip t supplied to the transfer conveyance disk 72 is provided. It is nipped by the front end nail claw 722 </ b> A of the nipping portion 722 and conveyed so that the posture is directed to the outside of the transfer conveyance disk 72.
[0005]
An inspection device 73 for inspecting the quality of the chip t is provided outside the transfer transport disk 72. The chip t transported by the transport transport disk 72 is subjected to quality inspection by the inspection device 73. After being made, it is supplied to a separation disk 74 that rotates intermittently in the direction of arrow YF in FIG. The separation disk 74 is provided with holding holes 741 at the peripheral edge thereof at a predetermined interval, and when the chip t supplied to the separation disk 74 is conveyed to a position close to the upper side of the holding hole 741, a transfer conveyance disk. 72 is held by the front end clamping claws 722 </ b> A of the clamping unit 722, falls into the holding hole 741, and is conveyed by the separation disk 74.
[0006]
In this way, the chip t conveyed by the separation disk 74 is positioned above the collection hole 75 corresponding to the inspection result among the plurality of collection holes 75 provided below the conveyance path by the separation disk 74. The bottom surface of the recovery hole 75 is opened and falls into the recovery hole 75 from the holding hole 741. The chip t that has fallen into the collection hole 75 is collected in a storage unit (not shown) that communicates with the collection hole 75.
[0007]
Here, in this conventional transport sorting apparatus, as shown in FIGS. 8A and 8B, the chip t transported on the transport path 6 has its bottom surface (surface having a large area) facing downward. In the state of being placed on the transport path 6, the transport path 6 is moved toward the front end side of the transport path 6 by the vibration of the transport path 6. Then, the tip t moved to the lower side of the suction nozzle 711 of the suction holding disk 71 is sucked and held by the suction nozzle 711 descending from the upper side of the transport path 6 and taken up from the upper side of the transport path 6. It has become. In this case, as shown in FIGS. 8A and 8B, the chip t is formed so that both sides are thin and the both sides thin part t1 faces the front-rear direction. Move up.
[0008]
For this reason, as shown in FIGS. 8A and 8B, the chip t placed on the transport path 6 may be in a state where the thin portions t1 on both sides overlap each other as shown in FIGS. is there. In such a state, the subsequent chip t that has run on the thin part t1 of the target chip t to be sucked and held becomes an obstacle, and the target chip t is sucked and held by the suction nozzle 711 from above the chip t and conveyed. Cannot be picked up from the road 6. And such a situation is not limited to the chip t having a thin portion t1 on both sides as shown in FIGS. 8 (a) and 8 (b), and even a chip simply formed in a square plate shape, In the state in which the burrs generated at the time of manufacture protrude outward from both sides, there are cases where the subsequent chip t rides on the burrs of the target chip t and the suction holding by the suction nozzle 711 cannot be performed well.
[0009]
Further, in this chip transport sorting apparatus, chips having LEDs provided on the upper surface may be sorted. In such a case, in this chip transport sorting apparatus, the top surface of the chip t is inspected by the inspection device 73 during quality inspection. Need to turn to the side. However, in this chip transport sorting apparatus, since the upper surface of the chip t is sucked and held by the suction nozzle 711, the chip t held by the transfer transport disk 72 faces the upper surface outward of the transport transport disk 72. In order to be in a state, it is necessary to change the chip t before the quality inspection, and accordingly, the configuration of the apparatus becomes complicated, and the apparatus becomes large.
[0010]
Further, when the tip t sucked and held by the suction nozzle 711 is supplied between the tip clamping claws 722A of the clamping part 722 of the transfer conveyance disk 72, the suction by the suction nozzle 711 is released by blowing compressed air. However, there is a problem that the chip t is adhered to the outer peripheral edge portion of the suction nozzle 711 due to static electricity and the supply operation cannot be performed well.
[0011]
The storage section generally includes a plurality of storage containers for storing chips t and a main body section that stores each storage container so that it can be inserted and removed from its front end surface. The plurality of storage containers are removed from the main body section. Later, when returning to the main body, since the size of the chip t is small, there is a possibility that the storage container cannot be distinguished, and the storage container may be returned to a position different from the position where it should originally be stored.
[0012]
As described above, in the conventional chip transport sorting apparatus, the sorting work of elements such as chips cannot be performed well.
[0013]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an element transport separation apparatus that can perform element separation work well.
[0014]
[Means for Solving the Problems]
  To solve the above problems, the present invention.Pertaining toThe element transport separation deviceVibrating the conveying path on which the element is placed,ElementConcernedOn the transport pathWhile aligning the postureSupply means for moving and supplying, conveying means for sucking and holding the elements on the conveying path of the supplying means by holding means from above the conveying path, and inspection for inspecting the elements conveyed by the conveying means An apparatus, a suction release means for releasing the suction by the holding means, and a storage portion for separately storing the elements released by the suction means by the suction release means according to the inspection result by the inspection apparatus. An element transport sorting device comprising the supply means,The element is moved on the transport path by vibration.Supplying to a suction position for suction holding by the holding means,,in frontTransport in a state where the surface of the recording element is placed on the transport path with the surface being vertical.The holding means is configured to suck and hold a side surface orthogonal to a surface having a large area of the element.
[0015]
The element transport separation device moves an element on a transport path by a supply unit and supplies the element to a predetermined supply position. The element supplied to the supply position is sucked and held by a holding unit from above the transport path by a transport unit. After the elements are conveyed and inspected by the conveying means by the inspection device, the suction by the holding means is released by the suction releasing means, and sorted according to the inspection result and stored in the storage unit. The supply means vibrates the conveyance path on which the element is placed, moves the element on the conveyance path, and supplies the element to the suction position by the holding means.
[0016]
In this case, in the element transport separation apparatus, the supply unit is configured to transport the element in a state where the element is placed on the transport path with a surface having a large area of the element being vertical. For this reason, according to this element transport separation device, even if the thin portions on both sides of the elements placed on the transport path overlap each other due to the vibration of the transport path, the holding means sucks and holds the object. Since the upper part of the element is in an open state, when the element is sucked by the holding means descending from the upper part of the element and taken up from the transport path, the subsequent element that has been on the target element to be sucked and held The element can be accurately supplied to the holding means without obstructing the operation of picking up the target element. In addition, when sorting elements with LEDs on the top surface, it can be transported by the transport means with the top surface of the element open, so that it is possible to inspect the quality of the LEDs without changing the orientation of the elements, and for sorting work. This saves time and effort.
[0017]
In the element transport separation device, the frontThe suction release means includes: jetting means for injecting air to an element that has been transported by the transporting means and is located in the vicinity of the recovery port for recovering the element in the storage portion; and the element in the recovery port. Suction means for sucking into,It was set as the structure provided with.
[0018]
Similarly to the above-described element transport separation apparatus, this element transport separation apparatus inspects the element supplied by the supply means with the inspection apparatus while being transported by the transport means while being sucked and held by the holding means, and the suction release means. The suction by the holding means is released, sorted according to the inspection result, and stored in the storage section. The suction release means is transported by the transport means and is used for collecting elements in the storage section. The apparatus includes an ejection unit that ejects air to an element located in the vicinity of the recovery port, and a suction unit that sucks the element into the recovery port.
[0019]
For this reason, according to this element transport separation apparatus, the element that is transported by the transport means while being sucked and held by the holding means and is located in the vicinity of the recovery port for loading the element into the storage portion. On the other hand, by blowing air from the ejecting means and sucking the element into the collection port by the suction means, it is possible to prevent the element from adhering to the holding means and the collection port due to static electricity, and to the element held by the holding means. Compared to the case where air is simply blown, the element can be accurately introduced from the collection port into the storage portion, and the element can be efficiently collected and separated.
[0020]
In the element transport separation device, the frontThe storage section includes a plurality of storage containers for storing elements, and a main body section for storing each storage container so that the storage containers can be inserted and removed from the front end face thereof, and a front end face of the main body section and a front end face of the storage container The engaging portions formed so as to be engageable with each other are provided at different positions on the front end surface of each storage container so as to have a column engaging portion indicating a column and a row engaging portion indicating a row.The configuration.
[0021]
Similarly to the above-described element transport separation apparatus, this element transport separation apparatus inspects the element supplied by the supply means with the inspection apparatus while being transported by the transport means while being sucked and held by the holding means, and the suction release means. The suction by the holding means is released, sorted according to the inspection result, and stored in the storage unit. The storage unit is capable of storing a plurality of storage containers for storing elements and the storage containers from the front end surface thereof. A front end surface of the main body portion and a front end surface of the storage container, and engaging portions formed to be engageable with each other at different positions on the front end surface of each storage container. It has the structure provided so that it may have the column engaging part which shows a column, and the row engaging part which shows a row.
[0022]
According to this element transport separation device, the engaging portions formed to be engageable with each other on the front end surface of the main body portion and the front end surface of the storage container constituting the storage portion for storing the elements are provided in each storage container. Since the column engaging portion indicating the column and the row engaging portion indicating the row are provided at different positions on the front end surface, the storage container is to be stored at a position different from the original storage position of the main body. In this case, the engaging portion comes into contact with the storage container and the main body, and the entry of the storage container into the main body is restricted. For this reason, even when it takes out a some storage container from a main-body part, and accommodates in a main-body part, it can prevent a mistake in putting a storage container.
[0023]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a chip conveyance sorting device according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a schematic view of a chip transport sorting apparatus according to an embodiment of the present invention.
[0024]
The chip transport separation apparatus performs inspection of the electrical characteristics of the chip t while transporting the chip t such as a chip component type LED as an element, and separates and collects according to the inspection result, as shown in FIG. As described above, a transport unit 1 that transports the chip t and a supply unit 2 that supplies the chip t to the transport unit 1 are provided on the upper surface of the base A. A storage unit 5 for separating and storing the transferred chips t is provided.
[0025]
The supply unit 2 is for supplying randomly supplied chips t in a predetermined posture in a line and supplying the chips to the transport unit 1, and temporarily stores and stores the chips t as shown in FIG. The bowl portion 21 for aligning the chips t in a predetermined posture and the supply position for sucking and holding the tips t supplied from the bowl portion 21 by the suction nozzle 12 (see FIG. 4) of the transport section 1 are aligned in a line. And a vibration mechanism (not shown) for vibrating the bowl portion 21 and the straight portion 22 along the upper surface of the base A and along the circumferential direction of the bowl portion 21.
[0026]
The bowl portion 21 is composed of a bottomed cylindrical body formed in a shape in which a substantially circular bottom surface 21A gently descends and slopes from the central portion to the peripheral portion, from the lower edge portion to the upper edge portion of the inner peripheral wall 21B, A spiral stepped portion is provided along the circumferential direction of the inner peripheral wall 21 </ b> B, and the upper surface of the stepped portion serves as a supply passage 211 for aligning the chips t in a predetermined posture and supplying them to the linear portion 22. Yes. The bowl portion 21 is provided with a distribution restriction portion 212 for supplying only the chip t in a predetermined posture to the straight portion 22 and a posture arrangement portion (not shown).
[0027]
The distribution regulating unit 212 is formed by narrowing the width of the supply passage 211, and the chips t placed in a state of being arranged in a plurality on the supply passage 211 are dropped from the supply passage 211, thereby The chips t are arranged in a line. The distribution regulating portion 212 provided on the most downstream side of the supply passage 211 is configured by forming the supply passage 211 slightly wider than the height of the side surface of the chip t, and the upper surface or the lower surface is on the supply passage 211. The mounted chip t drops off from the supply passage 211 in the distribution regulating unit 212. In addition, the posture organizing unit detects the posture of the tip t with a posture detector (not shown) provided in the vicinity of the supply passage 211, and places the upper surface on the supply passage 211 in a state where the upper surface faces the inner peripheral wall 21 </ b> B of the bowl portion 21. Compressed air is jetted from a jet port (not shown) to the chip t placed and dropped from the supply passage 211.
[0028]
The straight portion 22 has a base end portion 22A connected to the upper end portion of the bowl portion 21, and is formed so as to be gently inclined downward from the base end portion 22A side to the tip end portion 22B side. As shown in a cross section in FIG. 3, the straight portion 22 is provided with a transport passage 221 for moving the chip t therein. A stopper 222 for stopping the movement of the chip t that has been transported to the front end of the transport path 221 is attached to the front end of the linear portion 22 so as to cover the front end of the transport path 221. The straight portion 22 has an open top surface at the tip 22B, the conveyance passage 221 is exposed to the outside, and the suction nozzle 12 provided on the conveyance rotation base 11 (FIG. 3) of the conveyance unit 1 to be described later is It can enter into the conveyance path 221 and serves as a component supply device for the suction nozzle 12.
[0029]
The conveyance path 221 is formed so that the width thereof is slightly wider than the thickness of the chip t, and the height is set to be slightly higher than the width of the chip t. The transport passage 221 has a base end portion 22A communicating with the upper end limit of the supply passage 211 of the bowl portion 21, and a distal end portion 22B of the suction nozzle 12 accompanying the rotation operation of the transport rotation base 11 of the transport portion 1 described later. It extends to the lower part of the movement path.
[0030]
The supply unit 2 composed of the bowl unit 21 and the straight line unit 22 vibrates the bowl unit 21 with a vibration mechanism (not shown), and the chip t supplied to the bowl unit 21 by this vibration is indicated by an arrow in FIG. As shown, the bottom surface 21A of the bowl portion 21 is moved from the central portion to the peripheral portion, and the supply passage 211 provided in the inner peripheral wall 21B of the bowl portion 21 is further moved from the lower edge portion to the upper edge of the inner peripheral wall 21B of the bowl portion 21. Move over the part. Then, in the flow regulating unit 212 and the posture arranging unit (not shown), only the chip t with the upper surface facing the center side of the bowl portion 21 and the side surface placed on the supply passage 211 is placed in the transport passage 221 of the linear portion 22. As shown in FIG. 3, the conveyance path 221 of the linear portion 22 is moved from the proximal end side to the distal end side and supplied to the component supply position at the distal end of the conveyance path 221.
[0031]
The transport unit 1 is for transporting the chip t supplied from the supply unit 2, and as shown in FIG. 4, a disk-shaped transport rotary base 11 and a suction nozzle 12 provided on the transport rotary base 11. And a drive mechanism (not shown) for intermittently rotating the conveyance rotation base 11 along the upper surface of the base A while moving it up and down relative to the upper surface of the base A, and a negative pressure supply (not shown) for performing suction by the suction nozzle 12 Source.
[0032]
The transport rotation base 11 is supported above the upper end surface of the base A so as to be movable up and down with respect to the upper end surface of the base A and to be rotatable along the upper end surface of the base A. By the non-driving mechanism, it moves up and down while intermittently rotating in the direction of the arrow YA in FIG. 4, and when it is positioned at the lower limit, the operation in the direction of the arrow YA is temporarily stopped.
[0033]
The suction nozzle 12 is for sucking and holding the chip t supplied from the supply unit 2, and is provided at a predetermined interval on the peripheral edge of the transport rotation base 11. The suction nozzle 12 is provided with a distal end projecting from the lower surface of the transport rotating base 11 to the lower side of the transport rotating base 11, and a base end projecting from the upper surface of the transport rotating base 11 to the upper side of the transport rotating base 11. The other end of the tube having one end connected to a negative pressure supply source (not shown) provided in the table A is connected, and the tip t can be sucked and held at the tip by the negative pressure of the negative pressure supply source (not shown). It is like that.
[0034]
The transport unit 1 configured as described above is moved up and down with respect to the upper surface of the base A by a drive mechanism (not shown) while the transport rotating base 11 is intermittently rotated along the upper surface of the base A in the direction of the arrow YA in FIG. The tip of the suction nozzle 12 descending from above the linear portion 22 is conveyed by the linear portion 22 as shown by the arrow YB in FIG. It enters the passage 221. Then, once the conveyance rotation base 11 is located at the lower limit and the operation is stopped, the suction nozzle 12 is located close to the top of the chip t located at the component supply position, and is caused by the negative pressure of a negative pressure supply source (not shown). The tip t is sucked and held by the suction nozzle 12. From this state, when the transport rotation base 11 resumes its operation, the suction nozzle 12 rises above the component supply position as shown by the arrow YC in FIG. 221 is picked up from above and conveyed in the direction of arrow YA in FIG.
[0035]
As shown in FIG. 1, an inspection device 3 for inspecting the electrical characteristics, luminous intensity, color tone, and the like of the chip t is conveyed below the conveyance rotation base 11 while being sucked and held by the suction nozzle 12. It is arranged so as to be located in the vicinity of the transport path of the chip t.
[0036]
Further, on the downstream side of the inspection apparatus 3 below the transport rotating base 11, as shown in FIG. 4, a collection unit 4 for recovering the chip t inspected by the inspection apparatus 3 is provided. 11 is provided along the movement path of the suction nozzle 12 accompanying the rotation of 11.
[0037]
  As shown in FIG. 5, the collection unit 4 is provided on the arcuate base 41 provided on the downstream side of the inspection apparatus 3 in the transfer path of the chip t by the transfer rotary base 11 and the arcuate base 41.Compressed air injection port42 and a chip recovery port 43.
[0038]
As shown in FIG. 4, the arcuate base body 41 is provided below the transport rotation base 11 along the movement path of the suction nozzle 12 accompanying the rotation operation of the transport rotation base 11. As shown in FIG. 5B, the arcuate base body 41 is formed in a substantially U-shaped cross section, and the tip of the suction nozzle 12 is the U-shaped portion when the transport rotation base 11 is positioned at the lower limit. It is configured to enter into 41A.
[0039]
The compressed air injection ports 42 are provided at predetermined intervals on the inner peripheral wall of the U-shaped portion 41A of the arcuate base 41, and compressed air supplied from an air supply source (not shown) when the suction nozzle 12 is positioned at the lower limit. Air is jetted into the U-shaped portion 41A, and the tip t sucked and held by the suction nozzle 12 is blown away toward the tip recovery port 43 side.
[0040]
The chip recovery port 43 is opened on the outer peripheral wall of the U-shaped portion 41A of the arc-shaped base 41 so as to face the compressed air injection port 42, and the U-shaped portion is caused by negative pressure from a negative pressure supply source (not shown). The inside of 41A is aspirated.
[0041]
In the collection unit 4 having such a configuration, the tip t sucked and held by the suction nozzle 12 is substantially U-shaped portion 41A of the arcuate base body 41 as shown in FIG. When the air enters and is positioned between the compressed air injection port 42 and the chip recovery port 43, the compressed air supplied from a compressed air supply source (not shown) is blown from the compressed air injection port 42 to the chip t and is not shown. The suction is performed by the negative pressure of the pressure supply source into the chip recovery port 43, the suction by the suction nozzle 12 is released, and the chip t is inserted into the chip recovery port 43.
[0042]
  As shown in FIG. 6, the storage unit 5 includes two rows of an upper storage unit 51 and a lower storage unit 52 provided on one side surface of the lower part of the base A in the vertical direction, and is a main body unit.Upper storage51 andLower storageThe storage containers 512 and 522 for storing the chips t are accommodated in the upper and lower two rows of accommodation ports 511 and 521 that open along the width direction of 52. The storage containers 512 and 522 have a grip portion on the front surface thereof.512C, 522CThe gripping part512C, 522CCan be taken in and out of the storage ports 511 and 521.
[0043]
  In the upper edge portion of the storage port 511, a column engagement convex piece 511A is provided at a position corresponding to one side of the upper edge portion of the front end surface of each storage container 512 so as to protrude into the storage port 511. Yes. Also,Receiving portA column engagement convex piece 521A is provided at a position corresponding to the other side of the upper edge portion of the front end surface of each storage container 522 in the upper edge portion of 521 so as to protrude into the storage port 521.
[0044]
The storage ports 511 and 521 are provided with row engaging convex pieces 511B and 521B at intervals similar to the widths of the storage containers 512 and 522, respectively. The row engagement convex pieces 511B and 521B are provided so as to gradually become higher in the height direction of the storage ports 511 and 521 from one end side to the other end side of the storage ports 511 and 521.
[0045]
Housed in the upper housing part 51Storage containerReference numeral 512 denotes the column engagement convex pieces 511A, 521A and the row engagement convex pieces 511B, 521B at positions corresponding to the column engagement convex pieces 511A, 521A and the row engagement convex pieces 511B, 521B, respectively. Column engagement recesses 512A, 522A and row engagement recesses 512B, 522B are provided that can be combined.
[0046]
Next, the sorting operation of the chip t using this chip transport sorting apparatus will be described. When sorting the chip t using the chip transport sorting device, first, the chip t is randomly supplied to the bowl portion 21. The tip t supplied to the bowl portion 21 moves around the bottom of the bowl portion 21 while moving from the center side to the peripheral portion side of the bottom surface 21A of the bowl portion 21 due to the vibration of the bowl portion 21 as indicated by an arrow in FIG. Move along the direction. A part of the tip t that has moved to the peripheral edge of the bottom surface of the bowl portion 21 enters the supply passage 211 provided in the inner peripheral wall 21B of the bowl portion 21, and the supply passage 211 is moved as shown by an arrow in FIG. It moves toward the upper edge of the bowl part 21.
[0047]
The chip t moving on the supply passage 211 is dropped from the supply passage 211 in the distribution regulating portion 212 and arranged side by side in the width direction of the supply passage 211, and further provided on the most downstream side of the supply passage 211. In the flow regulating unit 212, the upper and lower surfaces and the front and rear surfaces placed on the supply passage 211 drop off from the supply passage 211, and the upper surface facing the peripheral edge side of the bowl portion 21 is not shown in the posture organizing unit. A transfer passage that is dropped from the supply passage 211 and communicates with the supply passage 211 only when the upper surface (surface having a large area) faces the central portion of the bowl portion 21 and the side surface is placed on the supply passage 211. Enter 221.
[0048]
As shown in FIG. 3, the chip t that has entered the conveyance path 221 is placed on the conveyance path 221 with one side surface (surface having a large area) in the width direction vertical, and the base end side of the conveyance path 221. A component supply position for moving on the transport path 221 from the base end side to the front end side of the transport path 221 by the vibration of the transport path 221 in a state of being aligned in a line from the leading end side to the leading end side, and sucking the chip t by the suction nozzle 12 When the leading end of the transport path 221 is reached, the stopper 222 stops the movement.
[0049]
Above the component supply position, the transport rotary base 11 moves up and down while intermittently rotating, and from above the transport path 221 as indicated by an arrow YB in FIG. The tip t that has been transported to the component supply position is sucked and held at the tip of the suction nozzle 12 that has been lowered. Then, the suction nozzle 12 that sucks and holds the chip t rises above the transport passage 221 as indicated by an arrow YC in FIG.
[0050]
In this case, as shown in FIG. 3, the thin portions t1 on both sides of the chip t placed on the transport path 221 may overlap with each other due to the vibration of the transport path 221, but in this case also, the chip t is transported in a state where the surface of the chip t having a large area is vertical and placed on the transport path 221, so that the subsequent chip t rides on the target chip t to be sucked and held by the suction nozzle 12. Therefore, the target chip t can be picked up accurately.
[0051]
The chip t sucked and held by the suction nozzle 12 in this way is directed so that the upper surface (surface having a large area) on which the LED is provided faces the outside of the transport rotary base 11 in accordance with the rotation operation of the transport rotary base 11. In this state, it is conveyed in the direction of arrow YA in FIG. The chip t transported by the transport rotating base 11 is in the state of being close to the inspection device 3 when the transport rotating base 11 is positioned at the lower limit and temporarily stops rotating and moving up and down. The electrical characteristics and the like are inspected, and the chip t is classified according to the inspection result. The chip t that has been inspected by the inspection apparatus 3 starts to move again in the direction of the arrow YA in FIG. 4 according to the operation of the transport rotating base 11 when the transport rotating base 11 resumes the rotating operation and the raising operation. And the chip | tip t conveyed by the conveyance rotation base | substrate 11 is conveyed by the collection | recovery part 4 provided in the downstream rather than the test | inspection apparatus 3 in the conveyance path | route.
[0052]
In this case, the chip t transported by the transport rotating base 11 is sucked on the side surface by the suction nozzle 12 and is positioned close to the inspection apparatus 3 with the upper surface of the chip t provided with the LED open. Therefore, it is not necessary to change the posture of the chip t at the time of inspection by the inspection apparatus 3, and the labor for the entire sorting operation can be saved.
[0053]
In the collection unit 4, the tip t sucked and held by the suction nozzle 12 is moved into the U-shaped portion 41 </ b> A of the arcuate base 41 by the rotation and vertical movement of the transport rotation base 11 as shown in FIG. 5B. It moves while repeating the state of intruding into the state and the state of retreating above the U-shaped portion 41A. Here, in a state in which the U-shaped portion 41A of the arcuate base body 41 has entered, the tip t sucked and held by the suction nozzle 12 is formed on the U-shaped portion 41A of the arcuate base body 41 as shown in FIG. It will be in the state located between the compressed air injection port 42 provided in the inner side inner wall, and the chip | tip collection port 43 provided in the outer side inner wall of U-shaped part 41A.
[0054]
  By repeating such an operation, the chip t conveyed to the chip recovery port 43 corresponding to the inspection result is blown with the compressed air injected from the compressed air injection port 42 and sucked into the chip recovery port 43 to recover the chip. It is introduced into the mouth 43. The chip t introduced into the chip collection port 43 moves in an introduction pipe (not shown), andEach storage container 512, 522It is thrown in. By repeating such an operation for each chip t, the sorting operation of the chip t is performed.
[0055]
  in this wayChip collection portWhen the compressed air is blown from the compressed air injection port 42 to the tip t located near the tip 43 and the inside of the tip collection port 43 is sucked by a negative pressure supply source (not shown), the tip t is sucked into the suction nozzle 12 by static electricity. And the chip t can be prevented from adhering to the chip collection port 43, and the chip t can be introduced into the storage unit 5 from the chip collection port 43 more accurately than when the air is simply blown onto the chip t held by the suction nozzle 12. Thus, the separation and collection of the chip t can be performed efficiently.
[0056]
Here, the work of extracting the storage containers 512 and 522 from the storage ports 511 and 521 after the completion of the sorting work or in the middle of the sorting work is performed by gripping the grip portions 512C and 522C of the target storage containers 512 and 522, This is performed by pulling out the storage containers 512 and 522 from 511 and 521.
[0057]
  In this case, the column engagement convex pieces 511A and 521A and the row engagement convex pieces 511B and 521B provided to be able to engage with each other on the front end surfaces of the storage ports 511 and 521 and the front end surfaces of the storage containers 512 and 522, Since the column engagement recesses 512A and 522A and the row engagement recesses 512B and 522B are provided at different positions for the respective storage containers 512 and 522, the storage containers 512 and 522 are originally stored in the storage ports 511 and 521, respectively. If it is going to be accommodated in a position different from the position, the row engaging convex piece511A, 521AOr row engagement recess512A, 522AStorage container512Or containment port511When the storage containers 512 and 522 are restricted from entering the storage ports 511 and 521 and the plurality of storage containers 512 and 522 are taken out of the storage ports 511 and 521 and then stored in the storage ports 511 and 521. However, it is possible to prevent mistakes in inserting the storage containers 512 and 522.
[0058]
Note that the chip transfer sorting device of the present invention is not limited to the chip transfer sorting device of the above-described embodiment, and may be changed as appropriate without departing from the gist of the present invention. For example, in the above-described embodiment, the description has been given of the case where the substantially square plate-shaped chip t in which both side portions in the width direction are formed thin is supplied. However, the shape of the chip t to be supplied is not limited to that in the above embodiment, and for example, the chip t simply formed in a square plate shape may be used. Even in this case, if burrs are generated on both sides of the chip t when the chip t is manufactured, the subsequent chip t rides on the burrs of the target chip t, and the target chip t can be picked up from the conveyance path. There is a risk of disappearing. However, according to the chip transfer sorting apparatus of the present invention, the subsequent chip t does not ride on the target chip t, so that the chip t can be accurately picked up from the transfer path 221, and the transfer to the transfer unit 1 is possible. Parts can be supplied accurately.
[0059]
In the above-described embodiment, the supply unit 2 for supplying the chips t to the transport unit 1 is composed of the bowl portion 21 and the linear portion 22, but the chips t are arranged in a row in a predetermined posture. As long as it can be placed on the conveyance path 221 in a state, the configuration need not necessarily include the bowl portion 21, and may include only the linear portion 22.
[0060]
In the above embodiment, the column engagement convex pieces 511A and 521A and the row engagement convex pieces 511B and 521B, the column engagement concave portions 512A and 522A, and the row engagement are provided at different positions of the storage ports 511 and 521 and the storage containers 512 and 522, respectively. Although it was set as the structure provided with the joint recessed parts 512B and 522B, if it can prevent accommodating the storage containers 512 and 522 in the position different from the predetermined position of the storage ports 511 and 521, it will not be limited to this structure, for example, It is good also as a structure which provides the protrusion and recessed part of a different shape for every storage container 512,522 in the position corresponding to the storage containers 512,522 in the storage port 511,521.
[0061]
【The invention's effect】
As described above, according to the element transport sorting apparatus according to claim 1 of the present invention, the element is placed on the transport path with the surface having a large area vertical, and the suction position by the holding means. Even if the thin portions on both sides of the element placed on the transport path overlap each other due to the vibration of the transport path, the upper part of the target element is in an open state. When the element is sucked by the holding means descending from above and picked up from the transport path, the element overlapping the target element does not interfere with the picking up of the target element, and the element is supplied to the holding means. Can be done accurately. In addition, when sorting elements such as chip component type LEDs with LEDs on the upper surface, since the upper surface of the element can be transported by the holding means, the quality inspection of the LEDs can be performed without changing the attitude of the elements. This eliminates the labor required for sorting.
[0062]
According to the element transport separation apparatus of the second aspect of the present invention, air is blown from the ejecting means provided in the vicinity of the element transport path by the transport means to the element sucked and held by the holding means. By sucking the element into the collection port with the suction means, it is possible to prevent the element from adhering to the holding means and the collection port due to static electricity, and the element is compared with the case where air is simply blown onto the element held by the holding means. It can be accurately introduced into the collection port, and the elements can be collected efficiently.
[0063]
According to the element conveying and separating apparatus according to the third aspect of the present invention, the front end surface of the main body portion and the front end surface of the storage container constituting the storage portion for storing the elements are formed to be able to engage with each other. Since the engaging portion is provided at a different position on the front end surface of each storage container so as to have a column engaging portion indicating a row and a row engaging portion indicating a row, the storage container is originally placed in the main body portion. When it is going to accommodate in a different position, an engaging part contact | abuts a storage container and a main-body part, and the penetration | invasion into the main-body part of a storage container is controlled. For this reason, even when a storage container is accommodated in a main-body part after taking out a several storage container from a main-body part, it can prevent a mistake in putting a storage container.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a diagram for explaining the outline of a chip transport sorting apparatus according to an embodiment of the present invention, where (a) is a plan view and (b) is a front view.
FIG. 2 is a perspective view showing a supply unit constituting the chip transport sorting device.
FIGS. 3A and 3B are diagrams for explaining a state in which a chip is conveyed in a linear portion constituting the supply unit.
FIG. 4 is a perspective view showing a transfer unit constituting the chip transfer sorting device.
FIGS. 5A and 5B are diagrams for explaining an operation when a chip sucked and held by a suction nozzle constituting the transport unit is collected. FIG.
FIG. 6 is a front view showing a storage unit that constitutes the chip transport sorting device;
FIG. 7 is a diagram for explaining the outline of a conventional transport sorting apparatus.
FIGS. 8A and 8B are diagrams for explaining a chip transfer state in a supply unit of a conventional transfer sorting apparatus.
[Explanation of symbols]
1 Transport section
11 Transport rotation base
12 Suction nozzle
2 Supply section
21 Bowl
22 Straight section
221 Transport path
3 Inspection equipment
4 collection department
41 Arc base
42 Compressed air injection port
43 Chip recovery port
5 storing section
51 Upper storage
511 receiving port
512 storage container
52 Lower storage
521 receiving port
522 storage container
511A, 521A row engagement convex piece
511B, 521B Line engagement convex piece
512A, 522A row engagement recess
512B, 522B Row engagement recess

Claims (3)

素子が載置された搬送路を振動させて、前記素子を当該搬送路上において姿勢を整列させつつ移動させて供給する供給手段と、
前記供給手段の搬送路上の素子を、前記搬送路の上方から保持手段で吸引保持して搬送する搬送手段と、
前記搬送手段で搬送される素子を検査する検査装置と、
前記保持手段による吸引を解く吸引解除手段と、
前記吸引解除手段により前記保持手段による吸引を解かれた素子を、前記検査装置による検査結果に応じて分別して収納する収納部と、
を備える素子搬送分別装置であって、
前記供給手段は、前記搬送路上において前記素子を振動により移動させ、前記保持手段で吸引保持するための吸引位置に供給するものであって、前記素子の面積が大きな面を垂直として前記搬送路上に載置された状態で搬送し、
前記保持手段は、前記素子の面積が大きな面に直交する側面を吸引保持することを特徴とする素子搬送分別装置。
Element by vibrating the conveying path which is placed has a supply means for supplying the device is moved while aligning the position in the conveying path,
A conveying means for sucking and holding an element on the conveying path of the supply means by a holding means from above the conveying path;
An inspection device for inspecting an element conveyed by the conveying means;
Suction releasing means for releasing suction by the holding means;
A storage unit for storing and separating the elements released from the suction by the holding unit by the suction release unit according to the inspection result by the inspection device;
An element transport sorting device comprising:
Said supply means is moved by vibrating the element in the conveying path, there is supply to the aspirating position for aspirating held by the holding means, the conveying path area before Symbol elements of large surface as a vertical Transported while placed on the
The element transport separation device , wherein the holding means sucks and holds a side surface orthogonal to a surface having a large area of the element.
記吸引解除手段は、前記搬送手段により搬送されてきて、前記収納部に素子を回収するための回収口の近傍に位置した素子に対してエアーを噴射する噴射手段と、
該素子を前記回収口内に吸引する吸引手段と、を備えることを特徴とする請求項1に記載の素子搬送分別装置。
Before Symbol suction release means it is conveyed by said conveying means and injection means for injecting air to the element located in the vicinity of the recovery port for recovering the element to the housing portion,
The element transport sorting device according to claim 1, further comprising: a suction unit that sucks the element into the recovery port.
記収納部は、素子を収納する複数の収納容器と、
前記各収納容器をその前端面から出し入れ可能に収容する本体部と、を備え、
前記本体部の前端面と前記収納容器の前端面とには、互いに係合可能に形成された係合部が、各収納容器の前端面の異なる位置に、列を示す列係合部と行を示す行係合部とを有するよう設けられていることを特徴とする請求項1に記載の素子搬送分別装置。
Before Symbol housing portion includes a plurality of container for housing the element,
A main body that accommodates each storage container so that it can be taken in and out from its front end surface, and
The front end surface of the main body portion and the front end surface of the storage container have engaging portions formed so as to be able to engage with each other at a position different from the front end surface of each storage container. 2. The element transport sorting device according to claim 1, wherein the device transport sorting device is provided so as to have a row engaging portion indicating
JP2001381998A 2001-12-14 2001-12-14 Element transfer sorting device Expired - Fee Related JP3774403B2 (en)

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