| 摘要 |
PURPOSE: A spring unit for eject plates of a mold is provided to secure safety in assembling and disassembling by setting the initial tension of a spring and to reduce the time for assembling by improving mountability. CONSTITUTION: A spring unit for eject plates of a mold comprises a spring rod(29) having a round section, an upper thread(23) formed on the upper end of a round bar type body part(21) and installed on a movable template, and a lower thread(27) connected with a nut member(25), a coil spring(31) fitted to the body part of the spring rod, an upper spacer(33) connected to the upper thread of the spring rod and supporting the upper end of the coil spring, and a lower spacer(35) fitted to the lower thread of the spring rod, supporting the lower end of the coil spring, and controlling the initial tension of the coil spring via a screw member(27).
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