Molding apparatus for glass molded product

摘要

A molding apparatus for glass molded product includes a mold, a press shaft and a release device. The release device includes a release member, a push bar, and a release action mechanism. The release member has a lower end surface to face an outer peripheral portion of a molding surface of the lower die of the mold. The push bar adjusts a downward pressure given to the release member. The release action mechanism is provided to hold an upper portion of the push bar movably along a shaft direction of the press shaft. The release action mechanism moves the push bar and the release member downward along the shaft direction to release a glass material and the upper die of the mold when the upper die and the lower die are separated after the glass material has been pressed between the upper die and the lower die.

主权项

1. A molding apparatus comprising:
a mold having an upper die and a lower die which are disposed between an upper press plate and a lower press plate, the upper die and the upper press plate having a guide hole which passes through the upper press plate and the upper die; a press shaft extending along a shaft direction of the press shaft and connected to the upper press plate and configured to press a glass material, if disposed on the lower die between the upper die and the lower die, by pressing the press shaft in the shaft direction; and a release device inserted into the guide hole, wherein the release device includes:
a release member having a lower end surface to face an outer peripheral portion of a molding surface of the lower die,a push bar to adjust a downward pressure given to the release member, anda release action mechanism configured to hold an upper portion of the push bar movably along the shaft direction, the release action mechanism configured to move the push bar and the release member along the shaft direction with respect to the press shaft to release the glass material and the upper die when the upper die and the lower die are separated after the glass material has been pressed between the upper die and the lower die.