JPWO2016114275A1 - 流体吐出装置、流体吐出方法、及び流体塗布装置 - Google Patents
流体吐出装置、流体吐出方法、及び流体塗布装置 Download PDFInfo
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Abstract
Description
流体吐出準備時には、前記吐出ヘッドが前記ワークに接触するまで該ワークに対して接近移動し、流体吐出時には、前記吐出ヘッドが前記ワークに接触した状態で吸引口よりマスク中の空気を吸引した後、マスク中に流体を吐出することを特徴とする流体吐出装置である。
まず、流体塗布装置のヘッド部1の構成を説明する。図1が本発明によるヘッド部1を示す図である。ヘッド部1は、溶融はんだ等を収容可能な流体タンク2と下端に設けた吐出ヘッド3を備える。溶融はんだなど温度コントロールが必要な流体に用いるときは、流体タンク2の腹部にヒーター4を巻き付けるなど、加熱手段を取り付けることもできる。吐出ヘッド3には、ヘッド下端に設けた流体吐出ノズル5と吸引口6を有し、吸引口6は流体吐出ノズル5よりも進行方向に向かって先に吸引工程が実施できるように取り付けられている。
図3に示すように、本発明による流体塗布装置は、吐出ヘッド101を備える。吐出ヘッド101は、流体(例えば溶融はんだ、この例に限定されない)を収容可能なタンク102と、下端に設けたノズル103とを有する。ノズル103の下面には、タンク102の内部の流体を射出するための開口が形成されている。ノズル開口の形状としては、スリットおよびその他の公知のものを採用することができる。
2 タンク
3 吐出ヘッド
4 ヒーター
5 吐出ノズル
6 吸引口
7 ワーク
8 マスク
9 流体
10 延長管路
11 圧力供給手段
12 吸引管延長管路
13 減圧供給手段
14 圧力発生源
15 ゲート弁
16 真空発生装置
17 レギュレータ
18 絞り弁
19 圧力発生源
20 圧力センサ
21 制御装置
22 流体供給装置
101 吐出ヘッド
102 タンク
103 ノズル
104 ワーク
105 第1の圧力供給手段
106 第2の圧力供給手段
107 圧力発生源(正圧供給源)
108 ゲート弁
109 バルブ
110 マイクロエジェクタ(負圧供給源)
111 レギュレータ
112 絞り弁
113 圧力発生源
114 共通管路
115 圧力センサ
116 制御装置
117 延長管路
118 3方弁
119 ゲート弁
120 はんだ供給装置
121 流体
122 正圧供給源
123 流体の液面。
Claims (13)
- 電子部品のワーク上のマスク中に流体を塗布するための流体吐出装置であって、
流体を収容可能なタンクと吐出ヘッドからなるヘッド部を有し、前記吐出ヘッドの一端には、ワーク上のマスク中の空気を吸引するための吸引口と流体を吐出するための吐出ノズルが形成されており、かつ吸引口は、吐出ヘッドの進行方向に設置されており、
流体吐出準備時には、前記吐出ヘッドが前記ワークに接触するまで該ワークに対して接近移動し、流体吐出時には、前記吐出ヘッドが前記ワークに接触した状態で吸引口よりマスク中の空気を吸引した後、マスク中に流体を吐出することを特徴とする流体吐出装置。 - 請求項1に記載の流体吐出装置において、前記吐出ヘッドには、吐出ノズルおよび吸引口の形状としてスリット状の開口部を有することを特徴とする流体吐出装置。
- 請求項1に記載の流体吐出装置において、
前記吐出ヘッドの上部には、圧力供給手段と接続する延長管路および減圧供給手段と接続する吸引延長管路が設置されており、それぞれが圧力発生源および真空発生装置に接続されている事を特徴とする流体吐出装置。 - 請求項1に記載の流体吐出装置において、
該流体吐出装置の稼働中に前記タンク内に追加の流体を供給するための流体供給装置を備える事を特徴とする流体吐出装置。 - 請求項1に記載の流体吐出装置を用い、ヘッドの先端には吸引口と流体吐出ノズルを有しているヘッドから流体を吐出させてワークに流体を塗布する流体塗布装置を用いて、まずワーク中の吐出部分の空気を脱気した後で流体を吐出する、流体の吐出方法。
- 電子部品のワーク上に塗布体を形成するための流体塗布装置であって、
流体を収容可能なタンクと、一端に設けたノズルとを備える吐出ヘッドにして、ワークの上方に位置づけられるように構成されており、
塗布体形成準備時には、前記ノズルが前記ワークに接触するまで該ワークに対して接近移動し、塗布体形成時には、前記ノズルが前記ワークに接触した状態で前記タンク内の流体を前記ノズルから射出させながら該ワークに対して水平移動し、塗布体の形成が終了して前記ノズルからの流体の射出が停止せしめられた後は、前記ワークに対して離反移動する吐出ヘッドと、
前記タンク内の流体を所望の温度に保つためのヒータユニットと、
前記タンク内に第1の圧力を供給し、該タンク内の流体を前記ノズルの開口から前記ワーク上へと射出させるための第1の圧力供給手段と、
前記タンク内に第2の圧力を供給し、該タンク内の流体を前記ノズルの前記開口から射出させずに前記タンク内に保持するための第2の圧力供給手段と、
前記タンク内の圧力を監視するための圧力センサと、
前記圧力センサからの信号に基づき、前記タンク内に供給されるべき圧力を制御するための制御装置と、
を備える流体塗布装置。 - 請求項6に記載の流体塗布装置において、
前記吐出ヘッドは、前記ノズルが前記ワークの上方に位置づけられるように構成されており、
前記第1の圧力が正圧であり、前記第2の圧力が負圧であり、前記第1の圧力供給手段が正圧供給源を有し、前記第2の圧力供給手段が負圧供給源を有している、流体塗布装置。 - 請求項7に記載の流体塗布装置において、
前記制御装置が、前記タンク内の流体の量に関するデータを入力されるようになされている、流体塗布装置。 - 請求項8に記載の流体塗布装置において、
該流体塗布装置の稼働中に前記タンク内に追加のはんだを供給するためのはんだ供給装置をさらに備える、流体塗布装置。 - 請求項6に記載の流体塗布装置において、
前記吐出ヘッドは、前記ノズルが前記ワークの下方に位置づけられるように構成されており、
前記第1の圧力が正圧であり、前記第2の圧力が大気圧または正圧であり、前記第1の圧力供給手段および前記第2の圧力供給手段が共通の正圧供給源を有している、流体塗布装置。 - 請求項10に記載の流体塗布装置において、
前記制御装置が、前記タンク内の流体の量に関するデータを入力されるようになされている、流体塗布装置。 - 請求項11に記載の流体塗布装置において、
該流体塗布装置の稼働中に前記タンク内に追加のはんだを供給するためのはんだ供給装置をさらに備える、流体塗布装置。 - 請求項6に記載の流体塗布装置において、
前記制御装置は、前記吐出ヘッドの位置を感知し、前記吐出ヘッドが前記ワークに対して下降して規定の位置に達したときに、前記吐出ヘッドの前記タンク内に前記第1の圧力を供給するように前記第1圧力供給手段を制御するように構成される、流体塗布装置。
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