| 摘要 |
PURPOSE: Structure of a core compatible die is provided to reduce the cost and period for producing a die by forming a die as a cassette type, to improve the degree of precision, to easily assemble, disassemble and install and to improve the stability of a die. CONSTITUTION: Upper and lower cores(31,32) are compatible and easy to install and remove. The upper cores are formed as a core assembly(30) including many side core members(34) surrounding the upper and lower cores. A core combining unit of a base frame(10) is formed with respect to the core assembly. An unloading unit(40) is combined in such a manner that the core assembly is compatible and easy to install and remove. The unloading unit prevents deformation of a die and improves the degree of precision and stability. The unloading unit has a small ejector plate(42) whereon an unloading pin is clamped. The core assembly is formed compact to be easily installed in the core combining unit. The side core members are thread-combined with each other. According to the reduced length of the unloading pin, degree of precision is improved remarkably. Further, stable operation and minimized deformation are realized.
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