JPH0163169U

JPH0163169U -

Info

Publication number: JPH0163169U
Application number: JP1987158029U
Authority: JP
Priority date: 1987-10-15
Filing date: 1987-10-15
Publication date: 1989-04-24
Also published as: JPH0423344Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例であるプリント基板
スクリーン印刷機の吸着装置の要部を示す正面断
面図である。第２図はその吸着装置の吸着穴が栓
により閉塞された状態を示す正面断面図である。
第３図は上記スクリーン印刷機において使用され
るコンビネーシヨンスクリーンを概略的に示す平
面図である。第４図は上記スクリーン印刷機の要
部の側面断面図である。第５図は同印刷機の要部
の一部を切り欠いて示す正面図である。第６図は
、第５図における基板コンベアの周辺を拡大して
示す側面断面図である。第７図は第６図における
Ａ矢視図である（ただし、押え板ガイドは省略さ
れている）。第８図は小さいプリント基板に印刷
を行う場合におけるスクリーン印刷機の要部を示
す側面断面図である。第９図ａ，ｂ，ｃ，ｄ，ｅ
は、上記印刷機のそれぞれ異なる作動状態を概略
的に示す説明図である。第１０図は上記吸着装置
の吸着穴の別の態様を示す平面図であり、第１１
図はその吸着穴が栓により閉塞された状態を示す
正面断面図である。１０：基板位置決め支持装置、１２：スクリー
ン位置決め支持装置、１４：スキージ装置、１６
：基板コンベア、１７：基板押え装置、１８：基
板支持台、２０：プリント基板、２２：スクリー
ン支持台、２４：スクリーン、２６：スクリーン
枠、２８：スキージ、１０８：メタル部、１０９
：メツシユ部、１９２：吸着穴、１９８，２００
：通路、２０２：供給管、２０４：栓、２２０：
吸着穴、２２４：栓。 FIG. 1 is a front cross-sectional view showing the main parts of a suction device of a printed circuit board screen printing machine which is an embodiment of the present invention. FIG. 2 is a front sectional view showing a state in which the suction hole of the suction device is closed with a stopper.
FIG. 3 is a plan view schematically showing a combination screen used in the screen printing machine. FIG. 4 is a side sectional view of the main parts of the screen printing machine. FIG. 5 is a partially cutaway front view of the main parts of the printing press. FIG. 6 is an enlarged side sectional view showing the vicinity of the substrate conveyor in FIG. 5. FIG. FIG. 7 is a view taken along arrow A in FIG. 6 (however, the presser plate guide is omitted). FIG. 8 is a side sectional view showing the main parts of a screen printing machine when printing on a small printed circuit board. Figure 9 a, b, c, d, e
2A and 2B are explanatory diagrams schematically showing different operating states of the printing press. FIG. 10 is a plan view showing another aspect of the suction hole of the suction device, and FIG.
The figure is a front sectional view showing a state in which the suction hole is closed by a stopper. 10: Substrate positioning support device, 12: Screen positioning support device, 14: Squeegee device, 16
: Board conveyor, 17: Board holding device, 18: Board support stand, 20: Printed circuit board, 22: Screen support stand, 24: Screen, 26: Screen frame, 28: Squeegee, 108: Metal part, 109
: mesh part, 192: suction hole, 198,200
: Passage, 202: Supply pipe, 204: Stopper, 220:
Suction hole, 224: Plug.

Claims

[Claims for Utility Model Registration] (1) A board support stand, a screen support stand, and a squeegee are provided, and the squeegee moves linearly over the screen supported by the screen support stand. In a screen printing machine that prints adhesive, creamy solder, etc. on a printed circuit board supported by a board, there is provided a suction device that sucks the screen from below and fixes the horizontal position of the screen with respect to the board support base. A printed circuit board screen printing machine characterized by: (2) The suction device includes at least one nozzle, one end of which is located within a plane in which the screen is disposed, and the other end of which is connected to a vacuum source, and the suction device suctions the screen with a vacuum. A printed circuit board screen printing machine according to claim 1 of the utility model registration claim. (3) A plurality of the nozzles are provided and connected to the vacuum source through a common air passage, and the openings of the nozzles that are not covered by the screen are hermetically closed by a closing member, Claim 2 of the Utility Model Registration Claim. The printed circuit board screen printing machine described.