| 摘要 |
PURPOSE: A mask cover of a screen printer is provided to prevent impurities from being introduced into the screen printer including a table when the screen printer including a mask is repaired or exchanged. CONSTITUTION: A mask(10) is detachably coupled to four mask clamps(2) at a front of a base(9). Two slide rails(11a,11b) are fixedly installed at a rear of the base(9) by means of a bracket. Installed in the slide rails(11a,11b) is a mask cover, which is moved in front and rear directions along the slide rails(11a,11b). The mask cover is coupled to a pneumatic cylinder(4). When a mask detecting sensor detects no mask, the mask cover is automatically opened/closed or manually opened/closed by a worker. A fixing rail of the slide rail(11b) is coupled to an inner portion of the bracket and the mask cover is coupled to a moving rail of the slide rail(11b).
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