| 摘要 |
PROBLEM TO BE SOLVED: To prevent the damage of the inclined knock pin for supporting a slide piece in a mold equipped with the slide piece for molding an undercut part and constituted so as to set the slide direction of the slide piece to an obliquie direction. SOLUTION: The pedestal 43 attached to the lower end 41a of the inclined knock pin 41 for supporting the slide piece 40 is built in the guide rail 51 attached to the surface of an ejector plate 33 through an inclined block 50 so as to slide freely at the same angle of inclination as the slide direction of the slide piece 40. A stopper member such as a stopper block 52, a stopper pin 53, etc. is provided so as to come into contact with the pedestal 43 when the pedestal 43 comes to the downstream part of the guide rail 51 and the load applied to the pedestal 43 is reduced at the initial thrust-up time of the inclined knock pin 41 to prevent the damage of the inclined knock pin 41. COPYRIGHT: (C)2007,JPO&INPIT
|
