| 摘要 |
PURPOSE:To omit highly accurate centering work for a plunger and a chamber, by enclosing an injection cylinder in either of a top force table or a bottom force table. CONSTITUTION:An upper surface plate 40 is fixed to a table frame 1, in which a pushing up device 2 is provided, through supporting posts 3. A top force table 41, to which a pair of top forces 53 are attached, is fixed to the bottom surface of the upper surface plate 40. Between the pair of the top forces 53, a guide body 54, wherein a pot 55 facing a chamber 52 is provided at the bottom surface of the guide 54, is provided. A runner and a gate, which communicate the pot 55 and cavities 20 that are provided at the bottom surfaces of the top forces 53, are provided. A pair of bottom forces 57 are fixed to the upper surface of a movable lower surface plate 5 through a bottom force table 45. Cavities 21 are provided at the upper surfaces of the bottom forces. An injection cylinder 48 comprising a hydraulic cylinder is fixed to an attaching plate of the bottom force table 45. The chamber 52, through which a plunger 50 at the tip of a piston rod 49 is inserted, is arranged between the pair of the bottom forces 57. |
