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    • 2. 发明公开
    • APPARATUS FOR ROLL STAMPING
    • EP4215293A1
    • 2023-07-26
    • EP21869585.6
    • 2021-08-27
    • POSCO Co., Ltd
    • KIM, Don-GunCHA, Myung-Hwan
    • B21D5/08B21D22/08B21D37/10
    • The present invention relates to a roll stamping apparatus capable of extending a shape range of a product without any limitation imposed by, for example, the curvature radius, the height, or the like of a variable section. The roll stamping apparatus may comprise an inclined roll set comprising a first rotation roll and a second rotation roll, which rotate while facing each other, have fixed positions and angles, and are inclined with respect to a traveling material, wherein: a first forming part for forming the material is formed on the outer surface of the first rotation roll; the first forming part comprises a first circumferential groove part inclined at an oblique angle, which is not a right angle, with respect to the rotation axis of the first rotation roll; a second forming part for forming the material is formed on the outer surface of the second rotation roll; the second forming part comprises a first circumferential protrusion part inclined at an oblique angle, which is not a right angle, with respect to the rotation axis of the second rotation roll; and the first forming part and the second forming part are shaped to correspond to and register with each other.
    • 8. 发明授权
    • DIE ASSEMBLY
    • 模具组件
    • EP2198990B1
    • 2012-05-30
    • EP08838056.3
    • 2008-10-09
    • Mitsui High-Tec, Inc.
    • TOSU, Norio
    • B21D37/10B21D28/00B21D45/00
    • B21D28/24B21D37/12B21D45/006B21D55/00Y10T83/2159Y10T83/9423Y10T83/9461
    • Provided is a molding apparatus, which can prevent an insufficient punch or a damage of a punch/die due to the inclination or transverse movement of a press ram, in advance at a punching action time, which can prevent the damage of the punch due to the transverse movement or the inclination of a stripper plate in advance at the time other than the punching action, and which comprises a top force having the punch and a bottom force having the die so as to facilitate the maintenance such as the abutting adjustment between the punch and the stripper plate. The molding apparatus is constituted such that the top force attached to the press ram is connected movably back and forth to the bottom force through a die set guide so that a punched material pushed onto the bottom force by the stripper plate may be punched out by the forward and backward movements of the top force relative to the bottom force. The molding apparatus further comprises a guide rod, which is composed of a lower rod fixed on the stripper plate for guiding the punch, and adapted to engage with the bottom force, and an upper rod disposed removably on the stripper plate and adapted to engage with the top force. The molding apparatus is characterized in that the upper rod is removed from the stripper plate at the time of punching the punched material so that the top force and the stripper plate are brought into a disconnected state, thereby to move the stripper plate freely back and force relative to the bottom force by the lower rod, and in that the upper rod is attached to the stripper plate at the time other than that of punching the punched material so that the top force and the stripper plate are brought into a connected state by the upper rod, thereby to hold the stripper plate back with respect to the top force.
    • 本发明提供一种成型装置,该成型装置能够预先在冲压作业时防止因冲压模具的倾斜或横向移动而产生的冲头不足或冲头损伤,能够防止冲头 在冲裁动作以外的时刻预先进行脱模板的横向移动或倾斜,由具有冲头的顶部力和具有模具的底部力来进行维修, 冲床和脱模器板。 成型设备的构造使得通过模具导向装置将附连到压力机压头的顶部力可移动地连接到底部力,使得由脱模板推动到底部力的冲压材料可以被冲压出来 顶部力相对于底部力的向前和向后运动。 成型装置还包括导杆,该导杆由固定在脱模板上用于引导冲头并适于与底部力接合的下杆以及可拆卸地设置在脱杆板上并适于与底杆接合的上杆组成, 顶级力量。 该成型设备的特征在于,在对冲压材料进行冲压时,将上部杆从脱模板上移除,使得顶部力和脱模板进入分离状态,由此使脱模板自由地向后移动并且迫使 相对于下部杆的底部力,并且上部杆在不同于冲压冲孔材料的情况下附接到脱模板,使得顶部力和脱模板通过 上杆,从而相对于顶力将脱模器板保持回来。