| 摘要 |
A dot portion forming equipment of a progressive mold is provided to increase durability of the forming die by preventing an abrupt impact from being applied to dot projections of a forming die. A dot portion forming equipment of a progressive mold comprises: a lower mold holder(10) including a lower mold retainer(14) in which a die pocket(16) is formed; an upper mold holder(50) which is installed at an upper side of the lower mold holder and lifted or lowered relatively to the lower mold holder, and which includes an upper mold retainer(54) in a state that a punch(56) is installed in the upper mold retainer; an upper mold die(26) which is installed in the die pocket, and which has dot projections formed on a top face thereof to form a product; and a lifting die(34) in which a protection through hole is formed to surround an upper end portion of the forming die including the dot projections, and which is elevated relatively to the forming die by up and down movement of the punch, wherein a dot portion is formed by the forming die and the punch by lowering the lifting die and the punch in a state that a matrix for forming the product is held by the lifting die and the punch.
|
