| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection molding apparatus equipped with an injection mechanism which enables high speed injection. SOLUTION: A spline shaft 38A is bonded to a rear end of a screw 38. A spline nut 50 fitted to the spline shaft is rotated with a measuring motor 47 fixed onto a side wall 44A. An end part of the spline shaft is rotatively supported by a shaft-bonded part 58 and concentrically bonded to a direct operating shaft 64 of a direct operating part 62 via a load cell 60 and a binding component 64A. Collar parts 58A, 58B are left and right symmetrically provided to both side parts of the shaft-bonded part and guided by a linear guide LG at almost the same height as that of a shaft core of the spline shaft. In the case of high speed injection, a measuring mechanism does not act on a direct driving part as an inertia load and the shaft-bonded part is accurately guided axially with the linear guide. COPYRIGHT: (C)2004,JPO |
