Sony Corporation

Juki Automation Systems Corporation

Muneyoshi Numao

Eiichi Nishi

A screen printing apparatus includes: a main squeegee that includes a pair of end portions in a width direction and prints, by sliding in a direction orthogonal to the width direction on an upper surface of a screen that is supplied with a paste-like material and on which a hole is formed, the paste-like material on an upper surface of a printing object provided on a lower surface side of the screen via the hole; and a pair of auxiliary squeegees each including a first end portion provided more on an outer side than the end portion in the width direction and a second end portion provided more on an inner side than the end portion in the width direction, the pair of auxiliary squeegees being tilted a predetermined angle with respect to the main squeegee on a rear side of the main squeegee in the sliding direction.

Screen printing apparatus and squeegee mechanism

A screen printing apparatus that prevents degradation of a printing tact and print quality is provided. There are included a cleaning unitthat cleans one surfaceof a screen maskopposing a workpiece, the screen maskhaving a print pattern for printing a pattern on the workpiece, and a conveying meansthat conveys the cleaning unitover the surfaceof the screen mask. The cleaning unitincludes cleaning paperthat contacts the surfaceof the screen mask, a scraperthat brings the cleaning paperinto contact with the surfaceof the screen mask, that slides on the surfaceof the screen maskwith the cleaning paperbeing disposed therebetween, and that has an uneven face portion, and a scraper moving meansthat moves the scraperto the contact position.

Growing community of inventors

Saitama, Japan

Muneyoshi Numao