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JP2005081745A - Screen printing machine - Google Patents

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JP2005081745A
JP2005081745A JP2003317653A JP2003317653A JP2005081745A JP 2005081745 A JP2005081745 A JP 2005081745A JP 2003317653 A JP2003317653 A JP 2003317653A JP 2003317653 A JP2003317653 A JP 2003317653A JP 2005081745 A JP2005081745 A JP 2005081745A
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substrate
printing
carry
conveyor
squeegee
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JP4449376B2 (en
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Hirokuni Kurihara
弘邦 栗原
Isao Abe
猪佐雄 阿部
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Hitachi Plant Technologies Ltd
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Hitachi Industries Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a screen printing machine which can improve production efficiency without increasing an installing space of an electronic circuit board production line and can also cope with flexible production. <P>SOLUTION: For the screen printing machine equipped with a controller for controlling two sets of printing units each comprising a printing table having a positioning mechanism of X axis, Y axis and θ axis and a lift mechanism; a mask having a transfer pattern stuck to a plate frame as an opening part; a camera for photographing the positioning mark provided to a substrate and the mark; and a squeegee head having the squeegee, a squeegee lift mechanism and a horizontal direction moving mechanism, a conveying conveyor for carrying the substrate to the printing table and a carrying out conveyor for carrying out the substrate from the printing table can be moved between two sets of the printing units to feature the constitution. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は電子回路基板にクリームはんだ等の電子材ペーストを供給するために用いるスクリーン印刷機に係り、特にフレキシブルな生産に対応するに好適なスクリーン印刷機に関する。   The present invention relates to a screen printer used for supplying an electronic material paste such as cream solder to an electronic circuit board, and more particularly to a screen printer suitable for flexible production.

従来のスクリーン印刷機は、特許文献１に開示されているように、基板搬入コンベア、基板搬出コンベア、Ｘ軸、Ｙ軸及びθ軸の位置決め機構と昇降機構を備えた印刷テーブル、転写パターンを開口部として有するマスク、基板とマスクに設けられた位置決めマークを撮像するカメラ、スキージ、スキージ昇降機構および水平方向移動機構を備えたスキージヘッド、これらの機構を制御する制御装置を備え、装置に搬入され、印刷テーブルに載置された基板の位置とマスクの位置を、カメラで撮像された画像に基づいて位置決めし、その後テーブルを上昇して基板をマスクに近接させ、スキージによってマスクを基板に接触させながらマスク開口部にクリームはんだを充填し、さらにテーブルを下降して、基板とマスクを離すことによってクリームはんだを基板上に転写し、その後、基板を装置から搬出することによって印刷がなされている。   As disclosed in Patent Document 1, a conventional screen printing machine has a substrate loading conveyor, a substrate unloading conveyor, a printing table having an X-axis, Y-axis, and θ-axis positioning mechanism and a lifting mechanism, and an opening for a transfer pattern. It includes a mask as a part, a camera for imaging a positioning mark provided on the substrate and the mask, a squeegee, a squeegee lifting mechanism and a squeegee head having a horizontal movement mechanism, and a control device for controlling these mechanisms, and is carried into the apparatus. The position of the substrate placed on the printing table and the position of the mask are positioned based on the image captured by the camera, and then the table is raised to bring the substrate close to the mask, and the mask is brought into contact with the substrate by the squeegee. While filling the mask opening with cream solder, lower the table and separate the mask from the substrate. Transferring the over solderless on the substrate, then, it has been made printed by unloading the substrate from the apparatus.

特開平７−２０５３９９号公報Japanese Patent Laid-Open No. 7-205399

電子回路基板の生産効率を高めるためには、一般に複数の基板生産ラインを構成することが行われている。その場合には生産ラインの設置面積が大きくなり、スペース効率が悪くなるという新たな問題が発生する。また、２種類の基板を混載した基板供給マガジンがラインに投入された時には、それらの基板を整理し、それぞれ別々のマガジンに入れ直してからラインに供給する必要があった。   In order to increase the production efficiency of electronic circuit boards, generally, a plurality of board production lines are configured. In this case, a new problem arises that the installation area of the production line becomes large and the space efficiency becomes poor. Further, when a substrate supply magazine in which two kinds of substrates are mixedly loaded is put in the line, it is necessary to arrange the substrates, put them in separate magazines, and supply them to the line.

上記の問題点に鑑み、本発明は電子回路基板生産ラインの設置スペースを大幅に増加することなく、生産効率を向上させることが可能で、かつ、フレキシブルな生産にも対応可能なスクリーン印刷機を提供することを目的とする。   In view of the above problems, the present invention provides a screen printing machine capable of improving production efficiency without significantly increasing the installation space of an electronic circuit board production line and capable of flexible production. The purpose is to provide.

上記目的を達成するために、本発明のスクリーン印刷機ではＸ軸、Ｙ軸及びθ軸の位置決め機構と昇降機構を備えた印刷テーブル、版枠に貼られ転写パターンを開口部として有するマスク、基板とマスクに設けられた位置決めマークを撮像するカメラ、スキージ、スキージ昇降機構および水平方向移動機構を備えたスキージヘッドからなる印刷ユニットをそれぞれ二組と、これらの二組の印刷ユニットを制御する制御装置を備えたスクリーン印刷機において、印刷テーブルに基板を搬入する搬入コンベアと印刷テーブルから基板を搬出する搬出コンベアが上記二組の印刷ユニットの間を移動可能に構成する。   In order to achieve the above object, in the screen printing machine of the present invention, a printing table provided with an X-axis, Y-axis, and θ-axis positioning mechanism and a lifting mechanism, a mask and a substrate pasted on a plate frame and having a transfer pattern as an opening And two sets of printing units each comprising a squeegee head provided with a camera, a squeegee, a squeegee lifting mechanism and a horizontal movement mechanism for imaging a positioning mark provided on the mask, and a control device for controlling these two sets of printing units In the screen printing machine having the above, a carry-in conveyor for carrying the substrate into the print table and a carry-out conveyor for carrying the substrate out of the print table are configured to be movable between the two sets of printing units.

本発明を用いることにより、は電子回路基板生産ラインの設置スペースを大幅に増加することなく、生産効率を向上させることが可能で、かつ、フレキシブルな生産にも対応可能なスクリーン印刷機を実現することが可能となる。   By using the present invention, it is possible to improve the production efficiency without significantly increasing the installation space of the electronic circuit board production line, and to realize a screen printing machine capable of flexible production. It becomes possible.

本発明は、１台の印刷装置に２つのスクリーン印刷部を設けて、基板を自動的に振り分ける振り分け機構を設けて、複数枚の基板をそれぞれの印刷部で印刷する構成とすることで、装置の設置面積を最小限にし、かつ異なる種類の基板にも自動的に対応できるようにしたものである。以下、実施例を図１乃至図７を用いて詳しく説明する。   The present invention provides an apparatus in which two screen printing units are provided in one printing apparatus, a distribution mechanism is provided that automatically distributes substrates, and a plurality of substrates are printed by each printing unit. The installation area is minimized, and different types of substrates can be automatically handled. Hereinafter, an embodiment will be described in detail with reference to FIGS.

図１は本発明のスクリーン印刷機の構成を示す概略図である。 FIG. 1 is a schematic view showing the configuration of the screen printing machine of the present invention.

図１において、スクリーン印刷機の本体フレーム１の上部には１対のガイドレール２によって案内され、図上前後方向に移動可能にスキージヘッド３が設けられている。スキージヘッド３はスキージヘッド駆動モータ４でボールスクリューを駆動することでガイドレール２上を移動する。   In FIG. 1, a squeegee head 3 is provided at the upper part of a main body frame 1 of the screen printing machine, guided by a pair of guide rails 2 and movable in the front-rear direction in the figure. The squeegee head 3 moves on the guide rail 2 by driving a ball screw with a squeegee head drive motor 4.

スキージヘッド３にはスキージ５が搭載されている。スキージ５はスキージ昇降シリンダ６によって上下方向に移動できる。さらに、本体フレーム１には版枠受け７が設けられており、版枠受け７には印刷パターンを開口部として持つスクリーン（マスク）８を張った版枠９がセットされるように構成されている。   A squeegee 5 is mounted on the squeegee head 3. The squeegee 5 can be moved up and down by a squeegee lifting cylinder 6. Further, the main body frame 1 is provided with a plate frame receiver 7, and a plate frame 9 with a screen (mask) 8 having a printing pattern as an opening is set on the plate frame receiver 7. Yes.

また、本体フレーム１には印刷テーブル１０が設けてある。この印刷テーブル１０の下部には、ＸＹθテーブル１１とテーブル昇降機構（特に図示せず）を備えている。印刷テーブル１０の上面には基板受け取りコンベア１２が設けられており、基板搬入コンベア１３によって搬入された基板１５を印刷テーブル１０上に受け取り、印刷が終了すると基板搬出コンベア１４に基板１５を排出する。全自動スクリーン印刷機においてはマスク８と基板１５の位置合わせを自動的に行なう機能を備えている。この位置合せは、ＣＣＤカメラ１６によりマスク８と基板１５のそれぞれに設けられた位置合わせ用マークを撮像し、その結果に基づいて位置ずれを認識する。   The main body frame 1 is provided with a printing table 10. Below the printing table 10, an XYθ table 11 and a table lifting mechanism (not shown) are provided. A substrate receiving conveyor 12 is provided on the upper surface of the printing table 10. The substrate 15 carried by the substrate carrying conveyor 13 is received on the printing table 10, and when the printing is completed, the substrate 15 is discharged to the substrate carrying conveyor 14. The fully automatic screen printer has a function of automatically aligning the mask 8 and the substrate 15. In this alignment, the CCD camera 16 images the alignment marks provided on the mask 8 and the substrate 15, respectively, and recognizes the displacement based on the result.

図２は本発明のクリームはんだ印刷機の上面図である。本発明のスクリーン印刷機は上記で説明した機構のうち、搬入コンベア１３と搬出コンベア１４を除く印刷ユニットを二組備えている。すなわち、図２に図示されているスキージヘッド３、３’、スキージ駆動モータ４、４’、スキージ昇降シリンダ６、６’、マスク８、８’の他に、スキージ５、５’、印刷テーブル１０、１０’、ＣＣＤカメラ１６、１６’をそれぞれ２組を備えている。ここでは、図２の図上上側の印刷ユニットを印刷ユニット１と呼び、図上下側の印刷ユニットを印刷ユニット２と呼ぶことにする。   FIG. 2 is a top view of the cream solder printer of the present invention. The screen printing machine of the present invention includes two sets of printing units excluding the carry-in conveyor 13 and the carry-out conveyor 14 among the mechanisms described above. That is, in addition to the squeegee heads 3 and 3 ', the squeegee drive motors 4 and 4', the squeegee lifting cylinders 6 and 6 ', and the masks 8 and 8' shown in FIG. Two sets of 10 ′ and CCD cameras 16 and 16 ′ are provided. Here, the upper printing unit in FIG. 2 is referred to as a printing unit 1, and the upper printing unit in the drawing is referred to as a printing unit 2.

図３に図１のＡ−Ａ矢視図を示す。図３において、搬入コンベア１３及び搬出コンベア１４は、それぞれボールねじ２１と２２に連結されたコンベア移動モータ１９及び２０によって、印刷ユニット１と印刷ユニット２の間を移動可能に構成されている。図１において搬入コンベア１３はリニアガイド１７によって移動を案内される。また、搬出コンベア１４はリニアガイド１８によって移動を案内される。すなわち、搬入コンベア１３及び搬出コンベア１４はそれぞれ、図３に実線で示した位置と破線で示した位置の間を移動することが可能である。すなわち、装置内に搬入された基板は搬入コンベア１３に移載され、印刷ユニット１又は印刷ユニット２の印刷テーブル１０又は印刷テーブル１０’に搬送される。また、印刷テーブル１０、又は印刷テーブル１０’にて陰惨の終了した基板は搬出コンベア１４に移載され次の工程に運ばれる。   FIG. 3 shows an AA arrow view of FIG. In FIG. 3, the carry-in conveyor 13 and the carry-out conveyor 14 are configured to be movable between the printing unit 1 and the printing unit 2 by conveyor moving motors 19 and 20 connected to ball screws 21 and 22, respectively. In FIG. 1, the carry-in conveyor 13 is guided to move by a linear guide 17. The carry-out conveyor 14 is guided to move by a linear guide 18. That is, the carry-in conveyor 13 and the carry-out conveyor 14 can each move between a position indicated by a solid line and a position indicated by a broken line in FIG. That is, the substrate carried into the apparatus is transferred to the carry-in conveyor 13 and conveyed to the printing table 10 or the printing table 10 ′ of the printing unit 1 or the printing unit 2. Further, the substrate that has been miserably finished on the printing table 10 or the printing table 10 ′ is transferred to the carry-out conveyor 14 and carried to the next process.

次に図４及び図５を用いて本発明のスクリーン印刷機の動作について説明する。図４において、マガジン３１からローダユニット３０を経由して、基板１５を本発明のスクリーン印刷機の搬入コンベア１３へ供給する。また、搬出コンベア１４によって搬出された基板１５は、マウンタ４０に運ばれ、そこでクリームはんだを印刷された基板に電子部品を搭載する。以下、本実施例の動作の一例を説明する。   Next, the operation of the screen printing machine of the present invention will be described with reference to FIGS. In FIG. 4, the substrate 15 is supplied from the magazine 31 via the loader unit 30 to the carry-in conveyor 13 of the screen printing machine of the present invention. Moreover, the board | substrate 15 carried out by the carry-out conveyor 14 is conveyed to the mounter 40, and an electronic component is mounted in the board | substrate printed with the cream solder there. Hereinafter, an example of the operation of the present embodiment will be described.

図４に示すようにマガジン３１より、基板１５がローダ３０の基板受け渡し位置に供給される。このとき、搬入コンベア１３はローダ３０から基板１５を受け取る位置に位置決めされている。   As shown in FIG. 4, the substrate 15 is supplied from the magazine 31 to the substrate delivery position of the loader 30. At this time, the carry-in conveyor 13 is positioned at a position for receiving the substrate 15 from the loader 30.

搬入コンベア１３が基板１５を受け取る。次に搬入コンベア１３は、印刷ユニット１への基板受け渡し位置に移動する。そこで、基板１５は印刷ユニット１の印刷テーブル１０上に搬入される。この状態で基板１５とマスク８の位置合せが行われ、印刷ユニット１によって印刷が実行される。この時、図５に示すように次の基板１５’がローダ３０の基板受け渡し位置に供給される。なお、搬入コンベア１３はローダ３０から基板１５’を受け取る位置に位置決めされている。その後、搬入コンベア１３は基板１５’をローダ３０より受け取る。次に搬入コンベア１３は、印刷ユニット２への基板受け渡し位置に移動する。移動後、基板１５’は印刷ユニット２の印刷テーブル１０’上に搬入される。この状態で、基板１５’とマスク８’の位置合わせを行い、印刷ユニット２によって印刷が実行される。一方、搬出コンベア１４は印刷ユニット１の基板受け取り位置において、印刷された基板１５を受け取り、次に図６に示すマウンタ４０への基板受け渡し位置に移動して、基板１５をマウンタ４０に受け渡す。   The carry-in conveyor 13 receives the substrate 15. Next, the carry-in conveyor 13 moves to the substrate delivery position to the printing unit 1. Therefore, the substrate 15 is carried onto the printing table 10 of the printing unit 1. In this state, the substrate 15 and the mask 8 are aligned, and printing is performed by the printing unit 1. At this time, as shown in FIG. 5, the next substrate 15 ′ is supplied to the substrate delivery position of the loader 30. The carry-in conveyor 13 is positioned at a position for receiving the substrate 15 ′ from the loader 30. Thereafter, the carry-in conveyor 13 receives the substrate 15 ′ from the loader 30. Next, the carry-in conveyor 13 moves to the substrate delivery position to the printing unit 2. After the movement, the substrate 15 ′ is carried onto the printing table 10 ′ of the printing unit 2. In this state, the substrate 15 ′ and the mask 8 ′ are aligned, and printing is performed by the printing unit 2. On the other hand, the carry-out conveyor 14 receives the printed board 15 at the board receiving position of the printing unit 1 and then moves to the board delivery position to the mounter 40 shown in FIG. 6 to deliver the board 15 to the mounter 40.

以上詳しく説明したように、搬入コンベア１３と搬出コンベア１４が印刷ユニット１と印刷ユニット２の間を移動して基板１５の搬入・搬出を交互に実行することによって、従来のスクリーン印刷機２台を用いる場合に比較して、少ない設置スペースで同様の生産効率をあげることが可能となる。   As described in detail above, the carry-in conveyor 13 and the carry-out conveyor 14 move between the printing unit 1 and the printing unit 2 to alternately carry in and carry out the substrate 15, so that two conventional screen printing machines can be installed. Compared to the case of using, it is possible to increase the same production efficiency with a small installation space.

次に図７を用いて本発明のスクリーン印刷機の他の実施例を説明する。   Next, another embodiment of the screen printer of the present invention will be described with reference to FIG.

図７において、図６と異なる点は、まず、搬入側のマガジン３１には２種類の基板１５Ａと１５Ｂとが混載されている。そのため、ローダ３０には、基板の種類を判別するためのセンサ３２が設けてある。このセンサ３２としては、基板に予め設けたバーコードを読み取るバーコードセンサ、マークや記号を読み取るＯＣＲやＣＣＤカメラ等を用いることができる。搬出側にはマウンタ４０に代え２つのアンローダユニット５１、５３と２つのマガジン５２、５４が設けてあり、基板の種類毎にそれぞれのマガジンに収納する構成としたものである。このように構成することで、装置としては先の場合より大型になるが、２台の印刷システムを設置するより小型になり、異種の基板の印刷も可能になるメリットがある。   In FIG. 7, the difference from FIG. 6 is that two kinds of substrates 15A and 15B are mixedly loaded in the magazine 31 on the carry-in side. For this reason, the loader 30 is provided with a sensor 32 for determining the type of the substrate. As the sensor 32, a bar code sensor for reading a bar code provided in advance on a substrate, an OCR or a CCD camera for reading marks and symbols, and the like can be used. Two unloader units 51 and 53 and two magazines 52 and 54 are provided on the carry-out side in place of the mounter 40, and each magazine type is stored in each magazine. By configuring in this way, the apparatus becomes larger than the previous case, but there is a merit that it becomes smaller than the installation of two printing systems, and printing of different types of substrates is possible.

次に、本装置における動作を簡単に説明する。   Next, the operation of this apparatus will be briefly described.

本実施例では、基板１５Ａに印刷ユニット１で印刷して、図７のアンローダ５１に搭載されたマガジン５２に収納し、基板１５Ｂには印刷ユニット２で印刷して、図７のアンローダ５３に搭載されたマガジン５４に収納する場合について、動作を説明する。   In this embodiment, printing is performed on the substrate 15A by the printing unit 1 and stored in the magazine 52 mounted on the unloader 51 of FIG. 7, and printing is performed on the substrate 15B by the printing unit 2 and mounted on the unloader 53 of FIG. The operation in the case of storing in the magazine 54 will be described.

まず、マガジン３１より、基板１５Ａがローダ３０の基板受け渡し位置に供給されると、センサ３２が基板１５の種類を読み取り、その結果を制御装置（図示せず）に伝達する。このとき、搬入コンベア１３はローダ３０から基板１５を受け取る位置に位置決めされている。   First, when the substrate 15A is supplied from the magazine 31 to the substrate transfer position of the loader 30, the sensor 32 reads the type of the substrate 15 and transmits the result to a control device (not shown). At this time, the carry-in conveyor 13 is positioned at a position for receiving the substrate 15 from the loader 30.

次に、搬入コンベア１３が基板１５Ａを受け取り、制御装置（図示せず）からの指令をうけて、印刷ユニット１への基板受け渡し位置に移動する。その後、基板１５Ａは印刷ユニット１の印刷テーブル１０上に搬入され、この状態で印刷ユニット１によって印刷が実行される。印刷テーブル１０へ基板１５Ａを受け渡紙が完了すると、搬入コンベア１３は、ローダ３０の基板受け取り位置に戻る。このとき、次の基板１５Ｂがローダ３０の基板受け渡し位置に供給され、センサ３２が基板１５の種類を読み取り、その結果を制御装置（図示せず）に伝達する。   Next, the carry-in conveyor 13 receives the substrate 15 </ b> A, receives a command from a control device (not shown), and moves to the substrate delivery position to the printing unit 1. Thereafter, the substrate 15A is carried onto the printing table 10 of the printing unit 1, and printing is executed by the printing unit 1 in this state. When the substrate 15A is delivered to the printing table 10 and the delivery is completed, the carry-in conveyor 13 returns to the substrate receiving position of the loader 30. At this time, the next substrate 15B is supplied to the substrate delivery position of the loader 30, and the sensor 32 reads the type of the substrate 15 and transmits the result to a control device (not shown).

その後、搬入コンベア１３が基板１５Ｂを受け取り、制御装置（図示せず）からの指令を受けて、印刷ユニット２の基板受け渡し位置に移動する。次に、基板１５Ｂは印刷ユニット２の印刷テーブル１０’上に搬入され、この状態で印刷ユニット２によって印刷が実行される。基板１５Ｂを印刷テーブル１０’に受け渡した搬入コンベアはローダ３０の位置に復帰する。一方、搬出コンベア１４は印刷ユニット１の基板受け取り位置において、印刷の終了した基板１５Ａを受け取り、アンローダ５１への基板受け渡し位置に移動して基板１５Ａをアンローダ５１に受け渡す。次に、搬出コンベア１４は、印刷ユニット２からの基板受け取り位置に移動して、印刷が完了した基板１５Ｂを受け取る。   Thereafter, the carry-in conveyor 13 receives the substrate 15B, receives a command from a control device (not shown), and moves to the substrate delivery position of the printing unit 2. Next, the substrate 15B is carried onto the print table 10 'of the printing unit 2, and printing is executed by the printing unit 2 in this state. The carry-in conveyor that has transferred the substrate 15B to the printing table 10 ′ returns to the position of the loader 30. On the other hand, the carry-out conveyor 14 receives the printed substrate 15A at the substrate receiving position of the printing unit 1, moves to the substrate transfer position to the unloader 51, and transfers the substrate 15A to the unloader 51. Next, the carry-out conveyor 14 moves to the board receiving position from the printing unit 2 and receives the printed board 15B.

また、同時にマガジン３１から次の基板１５Ａをローダ３０に受け渡し、同様の操作を繰り返す。上記では、基板１５Ａ、１５Ｂがマガジン３１に交互に収納されているとしたが、収納順序が異なっていても、センサ３２の検出結果に基づいて、印刷する印刷テーブルを選択することで、同１の印刷テーブルを複数回使う動作を行う。このように本実施例では、基板の種類が混在するようにマガジン３１に収納されていても、装置側で、自動的に印刷テーブルを選択して、印刷を行うことができ、失敗の無い印刷を実行することができる。   At the same time, the next substrate 15A is transferred from the magazine 31 to the loader 30, and the same operation is repeated. In the above description, the substrates 15A and 15B are alternately stored in the magazine 31. However, even if the storage order is different, the same information can be obtained by selecting a print table to be printed based on the detection result of the sensor 32. Perform the operation to use the print table multiple times. As described above, in this embodiment, even if the magazines 31 are stored so that the types of substrates are mixed, the apparatus side can automatically select the printing table and perform printing, and printing without failure. Can be executed.

本発明のクリームはんだ印刷機の構成と動作を説明するための概略図である。It is the schematic for demonstrating the structure and operation | movement of the cream solder printer of this invention. 本発明のクリームはんだ印刷機の版枠及びマスクの上面図である。It is a top view of the plate frame and mask of the cream solder printing machine of this invention. 図１のＡ−Ａ矢視図を示す。The AA arrow line view of FIG. 1 is shown. クリームはんだ印刷機の実施例１の動作を説明するための図である。It is a figure for demonstrating operation | movement of Example 1 of a cream solder printer. クリームはんだ印刷機の実施例１の動作を説明するための図である。It is a figure for demonstrating operation | movement of Example 1 of a cream solder printer. クリームはんだ印刷機の実施例１の動作を説明するための図である。It is a figure for demonstrating operation | movement of Example 1 of a cream solder printer. クリームはんだ印刷機の実施例２の構成と動作を説明するための図である。It is a figure for demonstrating the structure and operation | movement of Example 2 of a cream solder printer.

符号の説明Explanation of symbols

１…印刷機の本体フレーム、３、３…スキージヘッド、５、５'…スキージ、６、６…スキージ昇降シリンダ、８、８'…マスク、９、９…版枠、１０、１０'…印刷テーブル、１３…搬入コンベア、１４…搬出コンベア、１５…基板。
DESCRIPTION OF SYMBOLS 1 ... Printer body frame 3, 3, ... Squeegee head 5, 5 '... Squeegee, 6, 6 ... Squeegee lifting cylinder, 8, 8' ... Mask, 9, 9 ... Plate frame, 10, 10 '... Printing Table, 13 ... carry-in conveyor, 14 ... carry-out conveyor, 15 ... substrate.

Claims (1)

Ｘ軸、Ｙ軸及びθ軸の位置決め機構と昇降機構を備えた印刷テーブルと、版枠に貼られ転写パターンを開口部として有するマスクと、基板とマスクに設けられた位置決めマークを撮像するカメラと、スキージと、スキージ昇降機構および水平方向移動機構を有するスキージヘッドとを備えた印刷ユニットを二組設け、前記二組の印刷ユニットを制御する制御装置を備えたスクリーン印刷機において、
前記２組の印刷ユニットの印刷テーブルに基板を搬入するための１つの搬入コンベアと、印刷テーブルから基板を搬出する１つの搬出コンベアとを設け、前記搬入及び搬出コンベアが、それぞれの印刷ユニットの間を移動可能に構成したことを特徴とするスクリーン印刷機。

A printing table having an X-axis, Y-axis, and θ-axis positioning mechanism and a lifting mechanism; a mask attached to a plate frame and having a transfer pattern as an opening; and a camera that images a positioning mark provided on the substrate and the mask; In the screen printing machine provided with two sets of printing units each including a squeegee and a squeegee head having a squeegee lifting mechanism and a horizontal movement mechanism, and a control device for controlling the two sets of printing units,
There is provided one carry-in conveyor for carrying the substrate into the print table of the two sets of printing units and one carry-out conveyor for carrying the substrate out of the print table, and the carry-in and carry-out conveyors are located between the respective print units. A screen printing machine characterized by being configured to be movable.

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