JP4089058B2 - Cleaning device and cleaning method of the printing screen - Google Patents

Cleaning device and cleaning method of the printing screen

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Publication number
JP4089058B2
JP4089058B2 JP35135698A JP35135698A JP4089058B2 JP 4089058 B2 JP4089058 B2 JP 4089058B2 JP 35135698 A JP35135698 A JP 35135698A JP 35135698 A JP35135698 A JP 35135698A JP 4089058 B2 JP4089058 B2 JP 4089058B2
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Grant
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Expired - Fee Related
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JP35135698A
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Japanese (ja)
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JP2000168055A (en )
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一巳 加藤
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ソニー株式会社
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【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本発明は、印刷に用いるスクリーンを清掃する装置及び方法に関するものである。 The present invention relates to an apparatus and method for cleaning a screen used for printing.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
電子部品が搭載される基板に回路パターンを形成する方法としては、スクリーン印刷法が多用されている。 As a method for forming a circuit pattern on a substrate on which electronic components are mounted, a screen printing method has been widely used. このスクリーン印刷法は、近年の部品実装の高密度化に伴って、高精度化が要求されてきているが、そのためにはスクリーンの開口部に目詰まりしたり、裏面に回ったクリーム半田や導電性ペースト等をいかに確実に除去できるかが重要な要素となる。 The screen printing method, with the density of recent component mounting, but high accuracy has been required, or clogging the opening of the screen for the cream solder or conductive which turned to the back side how it can reliably remove the sexual paste is an important factor.
【0003】 [0003]
図5は、従来の印刷用スクリーンの清掃装置の一例を示す側面図である。 Figure 5 is a side view showing an example of a conventional cleaning apparatus for a printing screen.
この印刷用スクリーンの清掃装置10は、ロールペーパ11が、2つの駆動ローラ12に懸け渡され、ロールペ−パ11の下面略中央部が、溶剤タンク13から延びる供給管14の先端により上方に突き上げられた構成となっている。 Cleaning apparatus 10 of the printing screen, roll paper 11 is passed subjected to two drive rollers 12, Rorupe - lower surface substantially central portion of the path 11, push-up upward by the tip of the supply tube 14 extending from the solvent tank 13 and it has a resulting configuration. さらに、真空吸引機構15が、真空ポンプ16に接続され、ロールペーパ11の側に配置された構成となっている。 Furthermore, the vacuum suction mechanism 15 is connected to a vacuum pump 16, and has a deployed configuration in the side of the roll paper 11. そして、これらは、上下機構17により上下動可能に構成されている。 Then, they are vertically movable by the lift mechanism 17.
【0004】 [0004]
このような構成において、その動作例を説明する。 In such a configuration, the operation thereof will be described examples.
スクリーン1は、印刷終了後に印刷用スクリーンの清掃装置10の上方に水平移動されて清掃が開始される。 Screen 1 is cleaned is horizontally moved is started above the cleaning device 10 of the printing screen after printing. 先ず、ロールペーパ11及び真空吸引機構15を上下機構17により上昇させて、ロールペーパ11の上面略中央部及び真空吸引機構15の吸引口15aをスクリーン1の裏面に接触させる。 First, the roll paper 11 and the vacuum suction mechanism 15 is raised by the vertical mechanism 17 is brought into contact with the suction port 15a of the upper surface substantially central portion, and a vacuum suction mechanism 15 of the roll paper 11 on the rear surface of the screen 1. 次に、溶剤を溶剤タンク13から供給管14を介してロールペーパ11の下面略中央部に供給し、駆動ローラ12を駆動してロールペーパ11を巻き上げると共に、真空ポンプ16を駆動して吸引口15aを負圧にする。 Then, the solvent through the feed pipe 14 from the solvent tank 13 is supplied to the lower surface substantially central portion of the roll paper 11, the winding the roll paper 11 by driving the drive roller 12, a suction port by driving the vacuum pump 16 15a and to the negative pressure. 同時に、スクリーン1を水平移動させる。 At the same time, the screen 1 is horizontally moved. これにより、スクリーン1の開口部に目詰まりしたり、裏面に回ったクリーム半田や導電性ペースト等は、ロールペーパ11の上面で拭き取られると共に、吸引口15aから真空吸引される。 Thus, clogged in the opening of the screen 1, the cream solder and a conductive paste or the like around the back side, with is wiped by the top surface of the roll paper 11 is vacuum suction from the suction port 15a.
【0005】 [0005]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
上述した従来の印刷用スクリーンの清掃装置10は、スクリーン1の付着物の拭き取りに使い捨てのロールペーパ11を使用しているため、コストが嵩み、使用済のペーパを廃棄する必要がある。 Conventional printing screen cleaning apparatus 10 of the above-described, due to the use of disposable roll paper 11 in the wiping of the deposits of the screen 1, cost Kasami, it is necessary to discard the paper spent. また、スクリーン1の付着物の拭き取り動作は、スクリーン1に対して一定方向であるため、スクリーン1に拭きムラや拭き癖が残り易く、スクリーン印刷の精度が低下する。 Further, the wiping operation of the deposit screen 1 are the constant direction relative to the screen 1, easily remain wiping unevenness or wipe habit screen 1, screen printing accuracy decreases.
【0006】 [0006]
本発明は、上述した事情から成されたものであり、スクリーンの付着物を使い捨てのロールペーパを用いずに低コストかつ省資源で拭き取ることができ、 直線動作や斜め動作等の任意の拭き取り動作を行うことでスクリーン印刷の精度を良好に保つことができる印刷用スクリーンの清掃装置及び清掃方法を提供することを目的とする。 The present invention has been made from the above-described circumstances, the screen of deposits can be wiped off at a low cost and resource saving without using a roll paper disposable, any wiping operation such as linear movement and oblique operation and an object thereof is to provide a cleaning apparatus and a cleaning method for a printing screen which the accuracy of the screen printing can be kept satisfactory by performing.
【0007】 [0007]
【課題を解決するための手段】 In order to solve the problems]
上記目的は、本発明にあっては、印刷に用いるスクリーンを清掃する装置であって、前記スクリーンの付着物を拭き取るための布が着脱可能に装着された拭取部と、拭取部を垂直方向に移動させる第1垂直移動部と、スクリーンの付着物を吸引する吸引部と、吸引部を垂直方向に移動させる第2垂直移動部と、拭取部を含む第1垂直移動部と吸引部を含む第2垂直移動部垂直方向と直交する水平方向に移動させる水平移動部とを備えている。 The above object is achieved, according to the present invention, there is provided an apparatus for cleaning a screen used for printing, the wiping portion cloth for wiping the deposit of the screen is detachably mounted, the wiping unit vertical a first vertical movement part which moves in a direction, a suction unit for sucking the screen deposits, and a second vertical movement part which moves the suction section in a vertical direction, and the suction portion first vertical movement part including wiping portion Bei Eteiru a horizontal moving unit that moves in a horizontal direction a second vertical movement part perpendicular to the vertical direction including the. 水平移動部は、垂直方向と直交するY方向に移動可能なY移動台と、Y移動台に垂直方向と直交する方向であってY方向とも直交するX方向に移動可能に載置されるX移動台とを有している。 The horizontal movement unit, X to the Y movable table movable in a Y direction perpendicular to the vertical direction, is mounted movably in a direction orthogonal to the direction perpendicular to the Y moving table in the X direction perpendicular to both the Y-direction and a moving base. 拭取部を含む第1垂直移動部と吸引部を含む第2垂直移動部は、X移動台に配設されている。 The second vertical movement part including a suction portion first vertical movement part including the wiping unit is arranged in the X moving table. そして、第1垂直移動部を動作させることにより拭取部を上昇又は下降させてスクリーンの一面に接触させると共に水平移動部を動作させることにより拭取部を水平移動させてスクリーンから付着物を拭き取り、その後、第2垂直移動部を動作させることにより吸引部を上昇又は下降さえてスクリーンの一面に接触させる共に水平移動部を動作させることにより吸引部を水平移動させてスクリーンから付着物を吸引することにより達成される。 Then, wipe the deposits from the screen by horizontally moving the wiper unit by operating the horizontal moving unit with raising or lowering the wiper unit by operating the first vertical movement part and is brought into contact with one surface of the screen , then sucking deposits from the screen by horizontally moving the suction unit by operating together horizontally moving unit to be even raise or lower the suction unit in contact with the one surface of the screen by operating the second vertical movement part It is achieved by.
【0008】 [0008]
また、上記目的は、本発明にあっては、印刷に用いるスクリーンの付着物を拭取部で拭き取って、吸引部で吸引することにより、スクリーンを清掃する方法であって、 拭取部には、付着物を拭き取るための布が着脱可能に装着されており、拭取部及び吸引部を退避位置からスクリーンに水平移動させ、拭取部を垂直移動させてスクリーンの裏面に接触させ、拭取部を所定の経路で水平移動させて付着物を拭き取り、拭取部を垂直移動させてスクリーンから離すと共に吸引部を垂直移動させてスクリーンの裏面に接触させ、吸引部を水平移動させて付着物を吸引し、吸引部を垂直移動させて前記スクリーンから離すことにより達成される。 The above-described object is, in the present invention, wipe deposits screen used for printing by wiping unit, by suction by the suction unit, a method for cleaning the screen, the wiper portion are detachably mounted cloth for wiping the deposit, is horizontally moved to the screen wiping unit and the suction unit from the retracted position, by vertically moving the wiping unit is brought into contact with the rear surface of the screen, wiping part wiping extraneous matters is horizontally moved in a predetermined path, wiping portion is vertically moved by vertically moving the suction unit with separated from the screen into contact with the rear surface of the screen, deposits the suction unit by horizontal movement It was aspirated, and the suction unit by vertical movement is accomplished by releasing from the screen.
【0009】 [0009]
上記構成によれば、従来のロールペーパタイプから着脱可能なウエスタイプに変更して、直線動作や斜め動作等の任意の拭き取り動作を行えるようにしているので、コストを低減させ、使用済のペーパの発生も無く、また、拭きムラや拭き癖を残さず、スクリーン印刷の精度を向上させることができる。 According to the configuration, change to the waste type detachable from the conventional roll paper type, since the allow any wiping operation such as linear movement and oblique operation, reduce the cost, the spent paper also the generation without also leaving no wiping unevenness and wiping habits, it is possible to improve the accuracy of the screen printing.
【0010】 [0010]
【発明の実施の形態】 DETAILED DESCRIPTION OF THE INVENTION
以下、本発明の好適な実施の形態を添付図面に基づいて詳細に説明する。 It will be described in detail with reference to preferred embodiments of the present invention in the accompanying drawings.
なお、以下に述べる実施の形態は、本発明の好適な具体例であるから、技術的に好ましい種々の限定が付されているが、本発明の範囲は、以下の説明において特に本発明を限定する旨の記載がない限り、これらの形態に限られるものではない。 The embodiments described below are preferred specific examples of the present invention, various technically preferable limitations are imposed, the scope of the present invention, particularly limit the present invention in the following description unless there are descriptions of, not limited to these forms.
【0011】 [0011]
図1は、本発明の印刷用スクリーンの清掃装置の実施形態の全体構成を示す斜視図である。 Figure 1 is a perspective view showing the overall configuration of an embodiment of the cleaning apparatus of the printing screen of the present invention. この印刷用スクリーンの清掃装置100は、スクリーン1の付着物を拭き取る拭取部110、拭取部110を垂直方向に移動させる第1垂直移動部120、スクリーン1の付着物を吸引する吸引部130、吸引部130を垂直方向に移動させる第2垂直移動部140、拭取部110と吸引部140を水平方向に移動させる水平移動部150、拭取部110を回転させる回転部160、溶剤を滴下する溶剤滴下部である滴下部170及び各部の動作を制御する制御部180で大略構成されている。 The printing screen cleaning apparatus 100 of the wiping unit 110 for wiping the deposit screen 1, the first vertical movement part 120 moves the wiping portion 110 in the vertical direction, the suction unit 130 that sucks the deposits Screen 1 the second vertical movement part 140 moves the suction portion 130 in the vertical direction, the horizontal moving unit 150 which moves the sucking unit 140 in the horizontal direction and the wiping unit 110, the rotation unit 160 which rotates the wiping unit 110, dropping the solvent is largely constituted by dropping part 170, and a control unit 180 for controlling the operation of each unit is a solvent dropping unit for.
【0012】 [0012]
このような構成の印刷用スクリーンの清掃装置100は、クリーム半田や導電性ペースト等を用いて基板等に所定のパターンを印刷するスクリーン印刷機のスクリーン1の下方に一体的に配設され、各移動部120、140、150を適宜動作させることにより、拭取部110と吸引部130を順にスクリーン1の裏面に接触移動させて付着物を拭き取り、吸引する。 Such configuration printing screen cleaning apparatus 100 of is integrally disposed below the screen 1 of the screen printing machine for printing a predetermined pattern on a substrate or the like by using a cream solder or conductive paste or the like, each by operating the mobile portion 120,140,150 as appropriate, wiping portion 110 and the suction part 130 sequentially in contact moved to the back surface of the screen 1 wiping the deposit and suction.
【0013】 [0013]
拭取部110は、プラスチックで成る角柱状の保持部材111の周囲に、スクリーン1の付着物を拭き取るための不織布等で成る布(ウエス)112が着脱可能に巻回された構成となっている。 Wiping unit 110, around the prismatic holding member 111 formed of plastic, cloth (cloth) 112 made of nonwoven fabric or the like for wiping the deposit screen 1 has a detachable wound construction . 保持部材111の両端は、台座113に装着されている回転部160、即ちバネ161を備えた可動軸162とステップモータ163の回転軸164に回転可能に、かつ着脱可能に軸支持されている。 Both ends of the holding member 111 is rotatably to the rotation shaft 164 of the movable shaft 162 and step motor 163 having a rotating portion 160, i.e. spring 161 that is mounted to the base 113, and is detachably shaft support. このような構成によれば、ステップモータ163を駆動して保持部材111を所定角度回転させることにより、布112の拭取面を交替させることができる。 According to such a configuration, by a predetermined angle to the holding member 111 by driving the stepping motor 163 can be alternating wiping surface of the fabric 112.
【0014】 [0014]
また、可動軸162を外側に引っ張って保持部材111の一端から抜き、拭取部110を台座113から外すことにより、布112を交換することができる。 Also, disconnect from one end of the holding member 111 to pull the movable shaft 162 to the outside, by removing the wiping unit 110 from the pedestal 113, it is possible to replace the fabric 112. 尚、この例の保持部材111は、四角柱状に形成されているが、任意の角柱状に形成してもよい。 The holding member 111 in this example has been formed in a quadrangular prism may be formed in any prismatic. また、バネ161を備えた可動軸162の代わりに、エアシリンダや油圧シリンダを用いてもよい。 Further, instead of the movable shaft 162 having a spring 161, it may be used an air cylinder or a hydraulic cylinder.
【0015】 [0015]
第1垂直移動部120は、台座113とこの台座113の下方に位置するX移動台151の間に配設された2つのエアシリンダ121で構成されている。 The first vertical movement part 120 is composed of two air cylinders 121 disposed between the X moving base 151 which is located below the pedestal 113 and the pedestal 113. 各エアシリンダ121は、Z方向(垂直方向)が駆動方向となるようにして台座113の両端下部をそれぞれ支持するように配設されている。 Each air cylinder 121 is, Z direction (vertical direction) is set to be the driving direction are arranged so as to support both ends bottom of the pedestal 113, respectively. このような構成によれば、各エアシリンダ121を同時に同方向に駆動させることにより、拭取部110を上下動させることができる。 According to this structure, by driving in the same direction to each air cylinder 121 simultaneously, thereby vertically moving the wiping unit 110. 尚、エアシリンダ121の代わりに、油圧シリンダやモータとボールネジ・ナットの組み合わせを用いてもよい。 Instead of the air cylinder 121, it may be used a combination of hydraulic cylinders and motor and a ball screw nut.
【0016】 [0016]
吸引部130は、プラスチックで成る中空角柱状の吸引口131が上方を向くようにして台座132に固定された構成となっている。 Suction unit 130, a hollow prismatic suction port 131 made of a plastic so as to face upward and has a fixed configuration in the pedestal 132. 吸引口131の末端には、真空ポンプ133が接続されている。 The end of the suction port 131, the vacuum pump 133 is connected. このような構成によれば、真空ポンプ133を駆動させることにより、吸引口131を負圧にすることができる。 According to this structure, by driving the vacuum pump 133 may be a suction port 131 to the negative pressure.
【0017】 [0017]
第2垂直移動部140も、第1垂直移動部120と同様に、台座132とこの台座132の下方に位置するX移動台151の間に配設された2つのエアシリンダ141で構成されている。 The second vertical movement part 140, like the first vertical movement part 120 is composed of two air cylinders 141 disposed between the X moving base 151 which is located below the pedestal 132 and the pedestal 132 . 各エアシリンダ141は、Z方向(垂直方向)が駆動方向となるようにして台座132の両端下部をそれぞれ支持し、かつ吸引部130が拭取部110と並ぶように配設されている。 Each air cylinder 141, respectively supporting both ends bottom of the pedestal 132 as the Z direction (vertical direction) is the driving direction, and the suction unit 130 is arranged so as to be aligned with the wipe unit 110. このような構成によれば、各エアシリンダ141を同時に同方向に駆動させることにより、吸引部130を上下動させることができる。 According to this structure, by driving in the same direction to each air cylinder 141 simultaneously, thereby vertically moving the suction unit 130. 尚、エアシリンダ141の代わりに、油圧シリンダやモータとボールネジ・ナットの組み合わせを用いてもよい。 Instead of the air cylinder 141, it may be used a combination of hydraulic cylinders and motor and a ball screw nut.
【0018】 [0018]
水平移動部150は、X方向(水平方向)に移動可能なX移動台151と、このX移動台151の下部に配設され、Y方向(水平方向)に移動可能なY移動台152と、X移動台151を移動させるXモータ153及びXボールネジ・ナット154、155と、Y移動台152を移動させるYモータ156及びYボールネジ・ナット157、158で構成されている。 Horizontal moving unit 150 includes an X-moving base 151 which is movable in the X direction (horizontal direction) is disposed in the lower portion of the X moving base 151, a Y-direction (horizontal direction) movable in Y movable table 152, and X motor 153 and X ball screw nut 154, 155 for moving the X moving base 151, and a Y motor 156 and the Y ball screw nut 157, 158 moves the Y moving table 152. このような構成によれば、Xモータ153及びYモータ156を適宜駆動させることにより、拭取部110と吸引部130を同時に水平移動させることができる。 According to this structure, the X motor 153 and Y motor 156 by causing appropriate driven, it is possible to simultaneously horizontally moving the wiping unit 110 and the suction unit 130. 尚、水平移動部150を別体で構成せず、スクリーン印刷機の水平移動部を利用するようにしてもよい。 Incidentally, without configuring the horizontal moving unit 150 separately, may be utilized horizontal movement of the screen printing machine.
【0019】 [0019]
滴下部170は、図示しない溶剤供給源から供給される溶剤を吐出する吐出弁171と、溶剤を滴下するノズル172で構成されている。 Dropping unit 170 includes a discharge valve 171 for discharging the solvent supplied from the solvent supply source (not shown), and a nozzle 172 for dripping a solvent. このような構成によれば、ノズル172の下方で拭取部110を水平移動させながら、ノズル172から溶剤を滴下することにより、布112の拭取面上に溶剤を均一に染み渡らせることができる。 According to such a configuration, while horizontally moving the wipe portion 110 below the nozzle 172, by dropwise addition of solvent from the nozzle 172, be Shimiwatara uniform solvent on wiping surface of the fabric 112 it can. 尚、滴下部170自体が単独で水平移動可能なように構成してもよい。 Incidentally, it may be configured to be horizontally moved dropping unit 170 itself alone.
【0020】 [0020]
制御部180は、拭取部110、第1垂直移動部120、吸引部130、第2垂直移動部140、水平移動部150、回転部160及び滴下部170の動作をプログラム制御する機能を有する。 Controller 180, wiping unit 110, a first vertical movement part 120, the suction unit 130, the second vertical movement part 140 has a function of a program controlling the operation of the horizontal moving unit 150, the rotation unit 160 and an addition section 170. 特に、印刷対象物である基板の寸法データと面付けデータに基づいて、拭取部110の拭き取り動作範囲を設定する。 In particular, based on the dimension data and layout data of the substrate is a printing object, sets the operating range wipe wiping portion 110.
【0021】 [0021]
このような構成において、その動作例を図2〜図4を参照して説明する。 In such a configuration, it will be described with reference to FIGS. An operation example.
初期状態においては、拭取部110や吸引部130等は、退避位置、即ちスクリーン1の下方から水平方向に所定距離離れた位置であって、滴下部170の下方に拭取部110が配置される位置に退避している(図2のAの位置)。 In the initial state, the like wiping portion 110 and the suction unit 130, the retracted position, i.e. from below the screen 1 at a position a predetermined distance away in the horizontal direction, wiping unit 110 is disposed under the dripping unit 170 It is retracted into that position (position a in FIG. 2). 制御部180は、スクリーン印刷機から拭き取り開始信号を受けると、Xモータ153を駆動して拭取部110をX方向に往復移動させる(図2(A)の矢印a)と同時に、吐出弁171を開放してノズル172から布112の上面に溶剤を直線状に滴下させる(図2(B)の矢印b)。 Control unit 180 receives the start signal wipe from the screen printing machine, simultaneously reciprocating the wiping unit 110 by driving the X motor 153 in the X direction (the arrow a in FIG. 2 (A)), the discharge valve 171 by opening to drop from the nozzle 172 of the solvent in a straight line on the upper surface of the fabric 112 (arrow b in FIG. 2 (B)). 尚、この溶剤滴下は、湿式の清掃の場合は必須であるが、乾式の清掃の場合は省略する。 Incidentally, the solvent dripping, if wet cleaning is essential, omitted in the case of dry cleaning.
【0022】 [0022]
次に、制御部180は、Yモータ156を駆動して拭取部110及び吸引部130を退避位置から水平に移動させ(図2(B)の矢印c)、スクリーン1に形成されている基板エリアの手前であって、スクリーン1の裏面下方(以下、開始位置という)に位置決めする(図2(B)のBの位置)。 Next, the control unit 180 drives the Y motor 156 to move horizontally the wiping portion 110 and the suction unit 130 from the retracted position (arrow c in FIG. 2 (B)), are formed on the screen 1 substrate a front area, the rear surface below the screen 1 (hereinafter, referred to as starting position) to position (position B in FIG. 2 (B)). そして、第1垂直移動部120を駆動して拭取部110を垂直に上昇させ(図2(B)の矢印d)、布112の上面をスクリーン1の裏面に接触させる。 Then, the first vertical movement part 120 is driven to raise the wiping unit 110 vertically (arrow d in FIG. 2 (B)), contacting the top surface of the fabric 112 on the rear surface of the screen 1.
【0023】 [0023]
次に、制御部180は、Xモータ153及びYモータ156を駆動して、拭取部110を基板の寸法データと面付けデータに基づく基板エリアの範囲をカバーするように設定されている拭き取り動作範囲内で水平動作させ、布112の上面でスクリーン1の裏面に付着しているクリーム半田等を拭き取らせ、荒拭きを完了する。 Next, the control unit 180 drives the X motor 153 and Y motor 156, the wiping is set to wiping portion 110 to cover the range of substrate areas based on the size data and the layout data of the substrate operation within is horizontally operation causes wiped cream solder or the like attached to the back surface of the screen 1 in the upper surface of the fabric 112, completes the wiping rough. このときの拭取部110の拭き取り動作としては、図2の矢印eに示すように、スクリーン1に対して所定の送りピッチで略平行に水平移動させて拭き取る平行動作拭き、あるいは図4の矢印fに示すように、スクリーン1に対して所定の送りピッチで斜めに水平移動させて拭き取る対角動作拭きが採られる。 The wiping operation of the wiping unit 110 at this time, as indicated by an arrow e in FIG. 2, parallel operation wipe wipe is horizontally moved substantially in parallel with a predetermined feed pitch to the screen 1 or the arrow in FIG. 4 as shown in f, wiping operation diagonal wipe is horizontally moved is taken obliquely with a predetermined feed pitch to the screen 1. 尚、この場合は1回の荒拭き動作で終了しているが、任意の回数を設定することができる。 Although this case is terminated by rough wiping one operation, it is possible to set any number of times.
【0024】 [0024]
荒拭き取り動作完了後、制御部180は、第1垂直移動部120を駆動して拭取部110を垂直に下降させ(図2(B)の矢印g)、Xモータ153及びYモータ156を駆動して、拭取部110及び吸引部130を水平に移動させ開始位置に位置決めする。 After rough wiping operation is completed, the control unit 180, a first vertical movement part 120 is driven to lower the wiping unit 110 vertically (arrow g in FIG. 2 (B)), drives the X motor 153 and Y motors 156 and to position the starting position by moving the wiping unit 110 and a suction unit 130 horizontally. そして、制御部180は、第2垂直移動部140を駆動して吸引部130をZ方向に上昇させ(図3(B)の矢印h)、吸引口131をスクリーン1の裏面に接触させる。 Then, the control unit 180, the suction unit 130 by driving the second vertical movement part 140 is raised in the Z direction (the arrow h in FIG. 3 (B)), to the suction port 131 into contact with the rear surface of the screen 1.
【0025】 [0025]
そして、制御部180は、Yモータ156を駆動して吸引部130を水平動作させると共に、真空ポンプ133を駆動させ、吸引口131でスクリーン1の裏面に付着している残りのクリーム半田等を吸引させる。 Then, the control unit 180, Y motor 156 is driven causes the suction unit 130 is horizontally operation, to drive the vacuum pump 133, sucks the remaining cream solder adhering to the rear surface of the screen 1 at the suction port 131 make. このときの吸引部130の吸引動作としては、図3の矢印iに示すように、スクリーン1に対して一方向(Y方向)に水平移動させて吸引する一方向動作吸引が採られる。 The suction operation of the suction unit 130 at this time, as shown by an arrow i of FIG. 3, the one-way operation suction is taken for sucking by horizontal movement in one direction (Y-direction) with respect to the screen 1. 尚、この場合は1回の吸引動作で終了しているが、任意の回数を設定することができる。 Although this case is terminated by one of the suction operation, it is possible to set any number of times.
【0026】 [0026]
吸引動作完了後、制御部180は、第2垂直移動部140を駆動して吸引部130を垂直に下降させ(図3(B)の矢印j)、Yモータ156を駆動して、図3の矢印kに示すように、拭取部110及び吸引部130を水平に移動させ開始位置に位置決めする。 After the suction operation completed, the control unit 180 drives the second vertical movement part 140 causes the suction unit 130 is lowered vertically (arrow j in FIG. 3 (B)), by driving the Y motor 156, in FIG. 3 as shown by the arrow k, positioning the wiper portion 110 and the suction unit 130 to the starting position is moved horizontally. そして、制御部180は、ステップモータ163を駆動して拭取部110を90°回転させ、布112の拭取面を交替させる。 Then, the control unit 180, a wiping unit 110 drives the stepping motor 163 rotate 90 °, thereby alternating the wiping surface of the fabric 112. そして、第1垂直移動部120を駆動して拭取部110を垂直に上昇させ、布112の上面をスクリーン1の裏面に接触させて上述した拭き取り動作を再度実行し、仕上げ拭きを完了する。 The raised vertically wiping unit 110 drives the first vertical movement part 120, the upper surface of the fabric 112 is brought into contact with the rear surface of the screen 1 executes the wiping action described above again, completing the wiping finish.
【0027】 [0027]
尚、この場合は1回の仕上げ拭き動作で終了しているが、任意の回数を設定することができる。 Although this case is terminated by one of the finishing wiping operation, it is possible to set any number of times. また、この仕上げ拭きは、荒拭きと吸引のみでスクリーン1をほぼ清掃できる場合は、省略してもよい。 Further, the finishing wiping, when was almost clean screen 1 only wiping and suction rough may be omitted. その後、制御部180は、Yモータ156を駆動して拭取部110及び吸引部130を開始位置から水平に移動させ(図2(B)の矢印l)、退避位置に退避させて清掃を完了する。 Thereafter, the control unit 180, Y drives the motor 156 to move horizontally from the starting position wiping portion 110 and the suction unit 130 (arrow l of FIG. 2 (B)), completing the cleaning is retracted to the retracted position to. 尚、次の清掃までのインターバルは任意に設定することができる。 Incidentally, the interval until the next cleaning can be set arbitrarily.
【0028】 [0028]
ここで、荒拭きに用いた拭取面や仕上げ拭きに用いた拭取面は、例えば30回の拭き取り動作完了後に拭取部110を回転させて他の拭取面に交替させるようにする。 Here, wiping surface used for wiping wiping surface and finished using the wiping rough rotates the wiping unit 110 so as to be replaced with other wiping surface after completion example 30 times wiping operation. このとき、拭き取り回数をカウントしておき、設定回数をオーバーしたらアラームを鳴らすようにすれば、拭取面の交替を確実に行うことができる。 At this time, keep counting the number of wiping times, if to sound the alarm After over a set number of times, it is possible to reliably perform replacement of wiping surface. このように、拭取面の更新が容易に行えるので、清掃効率を高めることができる。 Thus, the update of the wiping surface can be easily, it is possible to enhance the cleaning efficiency.
【0029】 [0029]
また、全拭取面を使用した後は、拭取部110を取外して布112を保持部材111から剥がし、新たな布112を巻回すると共に、使用済みの布112は洗浄するようにする。 Also, after using the entire wiping surface, peeling off the fabric 112 from the holding member 111 to remove the wiping unit 110, thereby winding the new cloth 112, the used fabric 112 so as to wash. このように、布112の交換が容易に行えると共に、布112の再使用が可能となるので、清掃効率を高めることができると共に、清掃コストを低減させることができる。 Thus, the replacement of the fabric 112 can be easily, since re-use of the fabric 112 is possible, it is possible to increase the cleaning efficiency, it is possible to reduce cleaning costs.
さらに、Xモータ153及びYモータ156の回転を可変とすることにより、荒拭き速度と仕上げ拭き速度をそれぞれ設定したり、送りピッチを任意に設定することができる。 Furthermore, by varying the rotation of the X motor 153 and Y motor 156, to set each speed wiping speed and finishing wiping rough, it is possible to set the feed pitch arbitrarily.
【0030】 [0030]
【発明の効果】 【Effect of the invention】
以上に述べたように、本発明によれば、スクリーンの付着物を低コストかつ省資源で拭き取ることができ、スクリーン印刷の精度を良好に保つことができる。 As described above, according to the present invention, the screen of the deposits can be wiped off at a low cost and resource saving, the accuracy of the screen printing can be satisfactorily maintained.
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】本発明の印刷用スクリーンの清掃装置の実施形態の全体構成を示す斜視図。 Perspective view showing an overall configuration of an embodiment of the cleaning apparatus of the printing screen of the present invention; FIG.
【図2】図1の印刷用スクリーンの清掃装置の動作例を示す第1の平面図。 [2] first plan view showing an operation example of the cleaning apparatus of the printing screen of Figure 1.
【図3】図1の印刷用スクリーンの清掃装置の動作例を示す第2の平面図。 [Figure 3] a second plan view showing an operation example of the cleaning apparatus of the printing screen of Figure 1.
【図4】図1の印刷用スクリーンの清掃装置の別の動作例を示す平面図。 Figure 4 is a plan view showing another example of the operation of the cleaning device of the printing screen of Figure 1.
【図5】従来の印刷用スクリーンの清掃装置の一例を示す側面図。 Figure 5 is a side view showing an example of a conventional cleaning apparatus for a printing screen.
【符号の説明】 DESCRIPTION OF SYMBOLS
1・・・スクリーン、100・・・印刷用スクリーンの清掃装置、110・・・拭取部、111・・・保持部材、112・・・布(ウエス)、113・・・台座、120・・・第1垂直移動部、121・・・エアシリンダ、130・・・吸引部、131・・・吸引口、132・・・台座、140・・・第2垂直移動部、141・・・エアシリンダ、150・・・水平移動部、151・・・X移動台、152・・・Y移動台、153・・・Xモータ、154・・・Xボールネジ、155・・・Xボールナット、156・・・Yモータ、157・・・Yボールネジ、158・・・Yボールナット、160・・・回転部、161・・・バネ、162・・・可動軸、163・・・ステップモータ、164・・・回転軸、170・・・滴下部、171・ 1 ... screen, 100 ... cleaning device of a printing screen, 110 ... wiper unit, 111 ... holding member, 112 ... fabric (cloth), 113 ... pedestal, 120 ... - first vertical movement part, 121 ... air cylinder, 130 ... suction portion, 131 ... suction port, 132 ... pedestal, 140 ... second vertical movement part, 141 ... air cylinder , 150 ... horizontal moving portion, 151 ... X moving table, 152 ... Y moving table, 153 ... X motor, 154 ... X ball screw, 155 ... X ball nut, 156 ... · Y motor, 157 ... Y ball screw, 158 ... Y ball nut 160 ... rotary part, 161 ... spring, 162 ... movable shaft, 163 ... stepper motor, 164 ... rotation axis, 170 ... dropping unit, 171 - ・吐出弁、172・・・ノズル、180・・・制御部 And discharge valve, 172 ... nozzle, 180 ... control unit

Claims (6)

  1. 印刷に用いるスクリーンを清掃する装置であって、 An apparatus for cleaning a screen used for printing,
    前記スクリーンの付着物を拭き取るための布が着脱可能に装着された拭取部と、 A wiping unit which cloth for wiping the deposit of the screen is detachably mounted,
    前記拭取部を垂直方向に移動させる第1垂直移動部と、 A first vertical moving unit for moving the wiper unit in a vertical direction,
    前記スクリーンの付着物を吸引する吸引部と、 A suction unit for sucking deposits of the screen,
    前記吸引部を垂直方向に移動させる第2垂直移動部と、 A second vertical moving unit for moving the suction unit in a vertical direction,
    前記拭取部を含む前記第1垂直移動部と前記吸引部を含む前記第2垂直移動部前記垂直方向と直交する水平方向に移動させる水平移動部とを備え、 A horizontal moving part for moving the second vertical movement part including the suction portion and the first vertical movement part including the wiping unit in a horizontal direction perpendicular to the vertical direction,
    前記水平移動部は、前記垂直方向と直交するY方向に移動可能なY移動台と、前記Y移動台に前記垂直方向と直交する方向であって前記Y方向とも直交するX方向に移動可能に載置されるX移動台とを有しており、 The horizontal movement unit includes a movable Y movable table in the Y direction orthogonal to the vertical direction, so as to be movable in the X direction orthogonal with said Y-direction in a direction orthogonal to the direction perpendicular to the Y moving table has an X moving base to be placed,
    前記拭取部を含む前記第1垂直移動部と前記吸引部を含む前記第2垂直移動部は、前記X移動台に配設され、 The second vertical movement part including the suction portion and the first vertical movement part including the wiping unit is arranged in the X moving table,
    前記第1垂直移動部を動作させることにより前記拭取部を上昇又は下降させて前記スクリーンの一面に接触させると共に前記水平移動部を動作させることにより前記拭取部を水平移動させて前記スクリーンから前記付着物を拭き取り、その後、前記第2垂直移動部を動作させることにより前記吸引部を上昇又は下降させて前記スクリーンの一面に接触させる共に前記水平移動部を動作させることにより前記吸引部を水平移動させて前記スクリーンから前記付着物を吸引する From the screen by horizontally moving the wiper unit by operating the horizontal moving unit with contacting to one side of the screen is raised or lowered the wiper unit by operating the first vertical movement part wiping the deposits, then horizontal the suction unit by operating both the horizontal moving unit is brought into contact with one surface of the screen is raised or lowered the suction unit by operating the second vertical movement part the moved in to suck the deposits from the screen
    ことを特徴とする印刷用スクリーンの清掃装置。 Cleaning device for a printing screen, characterized in that.
  2. 前記布は、複数の拭取面を有し、 Wherein the fabric has a plurality of wiping faces,
    前記拭取部を回転させることにより前記複数の拭取面のうち前記スクリーンに接触する面を変更させる回転部を備えた請求項に記載の印刷用スクリーンの清掃装置。 Cleaning device for printing screens according to claim 1, further comprising a rotation unit for changing the surface in contact with the screen of the plurality of wiping surface by Rukoto rotates the wiping portion.
  3. 前記拭取部と相対的に水平移動しながら溶剤を滴下することにより当該溶剤を前記拭取部に含浸させる溶剤滴下部を備えた請求項1に記載の印刷用スクリーンの清掃装置。 Cleaning device for printing screens according to claim 1, further comprising a solvent dropping portion of impregnating the solvent into the wiper unit by dropwise addition of solvent while relative horizontal movement between the wiper portion.
  4. 印刷に用いるスクリーンの付着物を拭取部で拭き取って、吸引部で吸引することにより、前記スクリーンを清掃する方法であって、 Wipe deposits screen used for printing by wiping unit, by suction by the suction unit, a method for cleaning the screen,
    前記拭取部には、前記付着物を拭き取るための布が着脱可能に装着されており、 Wherein the wiping portion, cloth for wiping the deposit are detachably mounted,
    前記拭取部及び吸引部を退避位置から前記スクリーンに水平移動させ、 Is moved horizontally to the screen the wiper portion and the suction unit from the retracted position,
    前記拭取部を垂直移動させて前記スクリーンの裏面に接触させ、 It said wiping part by vertical movement into contact with the rear surface of the screen,
    前記拭取部を所定の経路で水平移動させて前記付着物を拭き取り、 Wiping the deposits by horizontally moving the wiping portion in a predetermined path,
    前記拭取部を垂直移動させて前記スクリーンから離すと共に前記吸引部を垂直移動させて前記スクリーンの裏面に接触させ、 The suction portion by vertically moving together away from the screen by vertical movement of the wiper unit is brought into contact with the rear surface of the screen,
    前記吸引部を水平移動させて前記付着物を吸引し、 Wherein the suction portion is horizontally moved to attract the deposits,
    前記吸引部を垂直移動させて前記スクリーンから離す ことを特徴とする印刷用スクリーンの清掃方法。 Cleaning of the printing screen, characterized in that away from said suction portion by vertically moving screen.
  5. 前記布は、複数の拭取面を有しており、 Wherein the fabric has a plurality of wiping faces,
    前記布における前記複数の拭取面のうち一の拭取面による拭取動作を所定回数完了後、前記拭取部を回転させて前記布における前記複数の拭取面のうち他の拭取面に交替させる請求項に記載の印刷用スクリーンの清掃方法。 After a predetermined number of times complete wiping operation according to one of the wiping surfaces of said plurality of wiping surface in the fabric, other wiping surfaces of said plurality of wiping surface in the cloth by rotating the wiping portion cleaning of the printing screen according to claim 4 which alternated.
  6. 前記拭取部を前記退避位置から前記スクリーンに近づける前に、溶剤を滴下することにより当該溶剤を前記拭取部に含浸させ、その後に、前記拭取部を前記スクリーンに近づける請求項に記載の印刷用スクリーンの清掃方法。 Before closer to the screen the wiper portion from said retracted position, by the dropwise addition of a solvent is impregnated with the solvent to the wiping section, then, according to claim 4, closer to the wiper unit to the screen cleaning method of printing screen of.
JP35135698A 1998-12-10 1998-12-10 Cleaning device and cleaning method of the printing screen Expired - Fee Related JP4089058B2 (en)

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