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    • 65. 发明申请
    • PISTON FOR THE INJECTION OF MOLTEN METAL
    • 活化金属注射
    • WO2009021298A1
    • 2009-02-19
    • PCT/BR2008/000225
    • 2008-07-31
    • W. FISCHER TÉCNICA LTDA.FISCHER, Wilmar
    • FISCHER, Wilmar
    • B22D17/20
    • B22D17/203
    • The piston for the injection of molten metal is coupled to a drive rod (15), axially displaced in the interior of a hot injection chamber (10) presenting a cylindrical side wall (11). The piston (20) comprises: a median portion (21) with the outer diameter substantially smaller than the diameter of the injection chamber (10); two end portions (22, 23), each affixed in a respective end of the median portion (21) and presenting a diameter slightly smaller than that of the injection chamber (10). One of the end portions (22, 23) is coupled to the drive rod (15) and at least one of them is removably affixed to the median portion (21), so as to allow sealing rings (30) to be mounted around the median portion (21), said rings being dimensioned to be circumferentially and elastically forced against the cylindrical side wall (11) of the injection chamber (10). A floating stripper ring (40) is mounted around the median portion (21), between each two consecutive sealing rings (30).
    • 用于注入熔融金属的活塞联接到驱动杆(15),其在呈现圆柱形侧壁(11)的热喷射室(10)的内部轴向移动。 活塞(20)包括:中间部分(21),外径基本上小于注射室(10)的直径; 两个端部(22,23),各自固定在所述中间部分(21)的相应端部,并且具有比所述注射室(10)略小的直径。 其中一个端部(22,23)与驱动杆(15)连接,并且其中的至少一个可移除地固定在中间部分(21)上,以便允许密封环(30)围绕 中间部分(21),所述环的尺寸设计成周向地弹性地压靠在注射室(10)的圆柱形侧壁(11)上。 在每个两个连续的密封环(30)之间的中间部分(21)周围安装浮动剥离环(40)。
    • 66. 发明申请
    • ダイカストマシン及びダイカスト鋳造方法
    • DIE铸造机和模具成型方法
    • WO2008050659A1
    • 2008-05-02
    • PCT/JP2007/070296
    • 2007-10-11
    • 宇部興産機械株式会社内田正志平泉一城岡崎芳紀
    • 内田正志平泉一城岡崎芳紀
    • B22D17/32
    • B22D17/203B22D17/32
    • サージ圧の発生を削減して、バリの発生や湯噴きを防止し、更に現場の鋳造品質のバラツキを最も少なくする、ダイカストマシンを提供する。 ダイカストマシンは、製品を鋳造成形する金型(101)と、金型に溶湯(15)を射出するための射出シリンダ(102)と、射出シリンダを高圧で押圧するための油圧装置(103)とを具備する。油圧装置は、射出シリンダ(102)のピストン(13)を押圧する作動油を射出シリンダに供給するピストンACC(20)と、射出シリンダ入口バルブ(31)とを具備する。ピストンACCは、高圧の高速立上用ピストンアキュムレータ(22,322)と、低圧の射出用ピストンアキュムレータ(21,321)とを具備する。
    • 一种压铸机,其中减少了浪涌压力的发生,以防止产生毛刺和熔融金属吹出,并使浇铸部位的铸造质量的变化最小化。 压铸机具有用于模制产品的模具(101),用于将熔融金属(15)注入模具的注射缸(102)和用于在高压下挤压注射缸的液压装置(103)。 液压装置具有活塞蓄能器(20),用于供给用于将注射缸(102)的活塞(13)按压到注射缸的操作油,并且还具有注射缸入口阀(31)。 活塞蓄能器具有用于高速启动的高速活塞蓄能器(22,322),并且还具有用于注入的低速活塞蓄能器(21,321)。
    • 68. 发明申请
    • DIE CASTING MACHINE AND CASTING METHOD BY THEREOF MACHINE
    • DIE铸造机及其铸造方法
    • WO2004105979A2
    • 2004-12-09
    • PCT/KR2004001326
    • 2004-06-03
    • GO DONG KEUN
    • GO DONG KEUN
    • B22D17/08B22D20060101B22D17/14B22D17/20B22D
    • B22D17/2053B22D17/14B22D17/203B22D17/30B22D27/15
    • The present invention relates to a die casting machine. A molten metal (melted liquid) is supplied into a vacuous casting space that is formed by a combination of a movable mold and a fixed mold. The molten metal is first moved in a horizontal direction along a molten metal injection pipe and is then injected into a chamber located at the bottom of the casting space. Thereafter, the molten metal is moved in a vertical direction by means of a follower plunger and is then inserted into the casting space. Therefore, since occurrence of a warm current of the molten metal injected into a mold is prevented , a product of a high quality with no minute bubbles can be obtained. Furthermore, the present invention relates to a die casting machine having a vacuum apparatus wherein a material is injected into a vacuum tank disposed in a melted liquid crucible via a pair of valves and another valve is also disposed even in a molten metal outflow hole of the vacuum tank to keep the degree of vacuum within the vacuum tank in a good state, whereby a good-quality product made of an alloy having a high melting point that is heavily oxidized in air can be produced, and casting method using the same.
    • 压铸机技术领域本发明涉及一种压铸机。 将熔融金属(熔融液体)供给到由可动模具和固定模具的组合形成的真空铸造空间中。 熔融金属首先沿着熔融金属注入管沿水平方向移动,然后注入到位于铸造空间底部的腔室中。 此后,熔融金属通过随动柱塞沿垂直方向移动,然后插入铸造空间。 因此,由于防止了注入模具中的熔融金属的热流的发生,所以可以获得高品质且不产生微小气泡的产物。 此外,本发明涉及一种具有真空装置的压铸机,其中通过一对阀将材料注入设置在熔融液体坩埚中的真空槽中,另一个阀也布置在熔融金属流出孔中 将真空槽内真空度保持在良好状态的真空槽,能够制造在空气中被高度氧化的具有高熔点的合金的优质产品,以及使用其的铸造方法。
    • 69. 发明申请
    • DIE CAST FORMATION OF BERYLLIUM COPPER PLUNGER TIPS
    • 二氧化碳铜灯泡的形成
    • WO2004050276A2
    • 2004-06-17
    • PCT/US2003/038418
    • 2003-12-03
    • SEMCO, INC.
    • FURMAN, Leonard
    • B22C
    • B22D23/006B22D17/203
    • A method for producing a plunger tip suitable for use in metal die casting operations, commences with a metal mold comprising at least two mold portions, which mold portions mate for forming a casting mold. A core is extended into spaced-apart relationship with at least one of the mold portions and the mold portions are moved into mating relationship with the core disposed therewithin. The mated mold portions are rotated from a vertical position into a horizontal position. A trough is disposed in fluid communication with the mated mold portions. Molten metal is poured into the trough. The mated mold portions and trough are rotated into a position between horizontal and vertical for any molten metal in the trough to flow into the mated mold portions and then back into a vertical position. Finally, the plunger tip is removed from the parted mold portions.
    • 一种用于制造适用于金属压铸操作的柱塞头的方法,开始于包括至少两个模具部分的金属模具,模具部分配合以形成铸模。 芯部延伸成与至少一个模具部分和模具部分间隔开的关系,其与设置在其中的芯部移动成配合关系。 配合的模具部分从垂直位置旋转到水平位置。 槽配置成与配合的模具部分流体连通。 将熔融的金属倒入槽中。 配合的模具部分和槽转动到水平和垂直之间的位置,用于槽中的任何熔融金属流入配合的模具部分中,然后回到垂直位置。 最后,从分型模具部分移除柱塞头。