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    • 65. 发明授权
    • Downholder control in the manufacture of can bodies
    • 下属控制在罐体的制造
    • US09415434B2
    • 2016-08-16
    • US13068106
    • 2011-05-02
    • Klaus BleiMartin GaebgesGerhard PickRoland Schmid
    • Klaus BleiMartin GaebgesGerhard PickRoland Schmid
    • B21D24/10B21D24/12B21D22/28B21D51/26
    • B21D24/10B21D22/28B21D24/12B21D51/26
    • The invention concerns an arrangement (20) and a method for the manufacture of can bodies from pot-shaped blanks (37). To this end, the blank (37) is inserted into a bottom tool part (45). The blank (37) is clamped between a downholder (23) and a counter support surface (47) of the lower tool part (45). For controlling a position value α determining the position and/or position change of the downholder (23), a drive arrangement (22) is provided. The drive arrangement controls the position value in accordance with a predetermined course, so as to move the downholder (23) into the clamping position or out of the clamping position EP. As soon as the downholder (23) reaches its clamping position EP, the drive unit (22) controls a force value in accordance with a predetermined course which determines the clamping force F(t) which is applied by the downholder (23) to the blank (37). This occurs preferably by an adjustment of the motor current I to a predetermined course of the desired value IE(t).
    • 本发明涉及一种用于从盆形坯料(37)制造罐体的装置(20)和方法。 为此,坯件(37)插入到底部工具部件(45)中。 坯料(37)被夹紧在下部工具部件(45)的下支架(23)和对置支撑表面(47)之间。 为了控制确定向下夹持器(23)的位置和/或位置变化的位置值α,提供驱动装置(22)。 驱动装置根据预定的过程来控制位置值,以便将下压板(23)移动到夹紧位置或从夹紧位置EP移动。 一旦向下夹持器(23)到达其夹紧位置EP,驱动单元(22)根据预定过程控制力值,该预定过程确定由向下夹持器(23)施加到 空白(37)。 这优选地通过将电动机电流I调节到期望值IE(t)的预定过程。
    • 68. 发明申请
    • Drawing Press With Dynamically Optimized Blank Holding
    • 绘图按动态优化空白控制
    • US20130333437A1
    • 2013-12-19
    • US13866107
    • 2011-10-14
    • Dietmar Schollhammer
    • Dietmar Schollhammer
    • B21D22/20
    • B21D22/20B21D22/22B21D24/12B30B1/14B30B1/261B30B1/266B30B1/28B30B15/148B30B15/20
    • The drawing press (10) according to the invention has for driving its ram (15) a directionally reversing gear mechanism (22, 54), for example a coupling gear mechanism, and at least one servomotor (23). The servomotor (23) passes through the reversal point (Ut) of the ram movement, which is predetermined by the kinematics of the coupling gear mechanism, for example the extended position of an eccentric drive. During the closing of the die (18), that is to say during a press stroke, the servomotor (23) is activated in such a way that it first passes through this reversal point (Ut), then stops, reverses and then passes through it once again, in order to open the die (18) again. Consequently, the braking to a standstill and re-acceleration of the servomotor for the upper ram (15) takes place while the actual drawing operation is still or already being performed, i.e. during the forming of the metal blank, which significantly reduces the cycle time.
    • 根据本发明的牵引压力机(10)用于驱动其压头(15),例如联接齿轮机构的定向反转齿轮机构(22,54)和至少一个伺服电动机(23)。 伺服电动机(23)穿过由联接齿轮机构的运动学预定的压头运动的反转点(Ut),例如偏心驱动器的延伸位置。 在模具(18)的关闭期间,也就是说在冲压冲程期间,伺服电动机(23)以这样一种方式启动,使得它首先通过该反转点(Ut),然后停止,反向然后通过 再次,为了再次打开模具(18)。 因此,当实际的拉拔操作仍然或已经被执行时,即在金属坯料的成形期间,对上部压头(15)的伺服电动机的停止和再加速的制动发生,这显着地减少了循环时间 。
    • 69. 发明申请
    • LOAD-APPLYING DEVICE, PRESS-FORMING DIE, AND PRESS-FORMING METHOD
    • 负载应用设备,压制成型和压制成型方法
    • US20130327115A1
    • 2013-12-12
    • US14001343
    • 2012-02-24
    • Tohru YoshidaDaisuke Toyoda
    • Tohru YoshidaDaisuke Toyoda
    • B21D22/02
    • B21D22/02B21D22/22B21D24/02B21D24/06B21D24/12F16F1/32
    • A load-applying device of a press-forming die includes a rod which includes a first end, a second end, and a flange, a lamination coned disc spring in which a plurality of coned disc springs having a center hole, to which the first end of the rod is inserted, are laminated, a first plate which includes a first through hole to which the first end of the rod is inserted and abuts the lamination coned disc spring, a second plate which includes a second through hole to which the second end of the rod is inserted and abuts the flange; and a gap fixing member which is detachably provided between the first plate and the second plate and fixes a gap between the first plate and the second plate so as to maintain the gap by which the lamination coned disc spring biases the flange to the second plate. The second end and the first plate relatively move in a mutually approaching direction during press-forming, and the lamination coned disc spring is compressed.
    • 压制成型模具的载荷施加装置包括:杆,其包括第一端,第二端和凸缘;层压碟形弹簧,其中具有中心孔的多个碟形弹簧,第一 杆的端部被插入,层压,第一板,其包括第一通孔,杆的第一端插入到该第一通孔中,并邻接层压碟形弹簧;第二板,其包括第二通孔,第二通孔与第二通孔相连, 杆的端部插入并邻接凸缘; 以及间隙固定构件,其可拆卸地设置在所述第一板和所述第二板之间,并且固定所述第一板和所述第二板之间的间隙,以便保持所述间隔,所述层压圆锥形弹簧将所述凸缘偏压到所述第二板。 在压制成形期间,第二端和第一板相互接近的方向相对移动,并且压片盘簧被压缩。