| 摘要 |
PURPOSE: A multi-functional drill tool is provided to improve the workability and productivity by allowing the multi-functional drill tool having various drills to be attached/detached to/from a drill shaft. CONSTITUTION: A multi-functional drill tool comprises a lower jig(100) for vertically/horizontally mounting a glass lens model and an upper jig(200) on which a plurality of drill shafts(20,20') are mounted in a predetermined interval. The lower jig(200) is coupled with the upper jig(200) through a moving rod(220) equipped with a spring(210). A mold supporting section(110) made of synthetic resin is formed at a center of the lower jig(100). A mold conveying device(120) is provided to move the glass lens model(10) rested on the mold supporting section(110). A plurality of clamps(130,130') are provided to closely fix the peripheral portion of the glass lens model(10). Drill holes(112,112') are formed at a center of the mold supporting section(110). A driving motor(60) is provided at a lower end of the upper jig(200).
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