Die closing unit with plate adjustment mechanism for injection m

Details Die closing unit with plate adjustment mechanism for injection m Die closing unit with plate adjustment mechanism for injection m

1977-05-23

1978-08-08

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

Mold opening and closing means and segmented female mold

B29C 116

Patent

active

041053907

ABSTRACT:
A die closing unit for an injection molding machine having either the stationary die carrier plate or the movable die carrier plate so connected to the tie rods, or to the piston rods, respectively, that the space between the two die carrier plates is adjustable, the adjustment mechanism including adjustment sleeves and rotationally coupled adjustment nuts seated on threaded tie rod portions, a clamping flange creating a rigid tie rod connection by abutting the sleeves and by clamping their threads, the sleeves having drive teeth for synchronous adjustment rotation after release by means of either an internally geared adjustment ring or a gear chain, with the aid of a drive arbor.

REFERENCES:
patent: 3093863 (1963-06-01), Ehlert
patent: 3597798 (1971-08-01), McDonald
patent: 3756757 (1973-09-01), Grundmann
patent: 3951579 (1976-04-01), Myers et al.

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