Rotational molding apparatus having robot to open, close, charge

Details Rotational molding apparatus having robot to open, close, charge Rotational molding apparatus having robot to open, close, charge

1985-06-27

1986-12-16

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Article ejector or stripper control

414732, 414736, 414738, 425143, 425231, 425430, 901 6, 901 44, 901 46, B29C 4106, B29C 3924, B29C 3936

Patent

active

046294090

ABSTRACT:
A rotational apparatus for molding dolls including an automatic control mechanism, a mold holding mechanism, a robot mechanism having a mold cover opening and closing means for opening and closing the mold, mold releasing means for releasing a molded product from the mold, mold release detecting and cleaning means and a raw material charging means, a heating means and a cooling means. The apparatus operation includes detecting the mold release of the molds opened by the mold holding mechanism and cleaning the same, quantitatively charging a raw material of thermoplastic synthetic resin in the mold in solid state closing the cover, inserting the mold into a heating furnace of a heating mechanism, rotating the same in a rotation system, forming a synthetic resin molten skin layer on the inner wall of the mold, then moving the mold into a cooling chamber of a cooling mechanism, cooling and solidifying the skin layer while rotating the mold, then moving the mold to the mold releasing unit, opening the cover of the mold, and removing the molded produce from the mold.

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patent: 4094055 (1978-06-01), Morimoto
patent: 4436500 (1984-03-01), Allen et al.
patent: 4571320 (1986-02-01), Walker

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