| 摘要 |
An ejector for a plastic injection molding apparatus is provided to prevent efflorescence phenomenon of a molded product and the quality degradation such as the stripe of a resin clothe. An ejector(300) includes a fixture die, which is provided with an installation plate, a shape plate, an upper mold inserted into the shape plate, and a bush inserted to the upper mold, and a movable die, which is provided with an installation plate, shape plate, a lower mold inserted into the shape plate, and a guide pin. The ejector includes an air receiving part(310) including porous materials and a pipe(330) delivering a high-pressure air to the air receiving part. The high-pressure air is received into the ejector. The ejector is installed such that the air receiving part is exposed to the cavity of the lower mold. The air receiving part of the ejector includes porous fire-proof material.
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