Clamping apparatus for molding machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 14, 1994
Issued Date -
N/A
app pub date -
Dec 11, 1992
filing date -
Jul 27, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A clamping apparatus of molding machine including a base; a fixed board disposed on the base; a movable board movable relative to the fixed board; a plurality of mold clamping cylinders disposed in predetermined positions of the fixed board, the mold clamping cylinders each having a mold clamping piston with a tie bar reception hole and a tie bar connection device disposed on the mold clamping piston; a plurality of tie bars with a thread at their one end, the tie bars being disposed in correspondence with the mold clamping cylinders on the movable board; a plurality of mold opening/closing cylinders for moving the movable board; and an axially movable sleeve associated with each clamping cylinder for adjusting an axial position of an associated piston to adjust an engagement position of the tie bar connection device, the sleeve being disposed in an opening in the fixed board and forming an extension of the tie bar reception hole, with one end of the sleeve abutting against a reception wall provided in each piston surrounding the tie bar reception hole and the other end of the sleeve threadedly cooperating with an engagement adjustment screw ring secured to the fixed board.
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