| 摘要 |
PROBLEM TO BE SOLVED: To provide a cassette type leading trimming die injection mold which is a cassette type mold exchangeable with a matrix and is enabled to correspond to a leading omission mechanism. SOLUTION: The cassette type mold 2 which is a mold for exchange being attachable/detachable to/from the matrix 1 attached to an injection molding machine as a mold having common functions is composed of a fixed mold 13 and a movable mold 26. In the movable mold 26, a movable template 34 composing a cavity 18 which molds a molding 32 having an undercut part, a slide cavity insert 33, and a center core 27 are installed. The tip of a pulling bolt 28 is engaged with the center core 27, a sleeve 44 (illustration omitted) and a bush 38 are fitted externally to the rear end side of the pulling bolt 28, and a catching member 29 is fixed to the rear end of the pulling bolt 28 by a screw 43. When rail grooves 10a and 10b are engaged with the rail of the matrix 1, and the cassette type mold 2 is inserted into the matrix 1, the catching claw 30 of the wear plate 22 of the matrix 1 is engaged with a recess between flanges formed at both ends of the catching member 29. COPYRIGHT: (C)2011,JPO&INPIT
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