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    • 1. 发明授权
    • Apparatus for dwelling in injection molding
    • 注塑成型设备
    • US06017210A
    • 2000-01-25
    • US720289
    • 1996-09-26
    • Kazutoshi TakayamaKiyoto Takizawa
    • Kazutoshi TakayamaKiyoto Takizawa
    • B29C45/50B29C45/57B29C45/54
    • B29C45/57
    • To avoid generation of air bubbles and silver which otherwise may be caused due to forced retraction of a dwelling plunger after a dwelling cycle is completed. A dwelling cycle is performed at the same time of metering by using an injection machine 1 and a dwelling machine 2. The injection machine 1 comprises an injection screw 11 mounted in a heating cylinder 12. The dwelling machine 2 comprises a dwelling plunger 21 slidably mounted therein and faced to a resin passage 14. An advancing motion of the dwelling plunger 14 is limited to the side surface of the resin passage while a backward movement of the dwelling plunger is limited to a position at which a desired volume of a resin trap 26 is formed for the resin to be packed in the passage between the head of the plunger and the resin passage 14. The dwelling plunger 21 is allowed to be in a free state during an injection cycle or the metering. The dwelling plunger 21 is retracted by means of a pressure of the resin to be injected or a pressure of a metered resin to from the resin trap 26. The resin in the resin trap 26 is forced into the resin passage 14 as the dwelling plunger 21 moves forward when the injection cycle is completed and the valve 16 is closed to block the resin passage 14. This provides the dwelling.
    • 避免产生气泡和银,否则可能由于在住宅周期完成后强制收回住宅柱塞而引起。 通过使用注射机1和住宅机器2在计量的同时进行住宅循环。注射机1包括安装在加热缸12中的注射螺杆11.住宅机器2包括可滑动地安装的住宅柱塞21 并且面向树脂通道14.住宅柱塞14的前进运动限于树脂通道的侧表面,同时住宅柱塞的向后移动被限制到所需体积的树脂陷阱26的位置 形成为用于填充在柱塞的头部和树脂通道14之间的通道中的树脂。使住住柱塞21在注射循环或计量期间处于自由状态。 住宅柱塞21通过待注射树脂的压力或计量树脂的压力从树脂阱26缩回。树脂捕集器26中的树脂作为住宅柱塞21被迫进入树脂通道14 当注射循环完成并且阀16关闭以阻止树脂通道14时向前移动。这提供了住宅。
    • 5. 发明授权
    • Method for controlling back pressure in electrically-operated injection
apparatus
    • 电动注射装置中控制背压的方法
    • US4758391A
    • 1988-07-19
    • US821434
    • 1986-01-22
    • Miyuki ShimizuYoshihiko Yamazaki
    • Miyuki ShimizuYoshihiko Yamazaki
    • B29C45/50B29C45/76B29C45/77
    • B29C45/77B29C45/5008B29C2045/5032B29C2045/5036
    • A method for controlling back pressure in an electrically-operated injection apparatus wherein rotation and forward movement of an injection plunger within an injection heating tube are carried out by a first electric motor which provides a driving force, wherein backward motion of the injection plunger during the charging of material presses against a screw threaded rotatable part and is thereby converted into rotational motion of the threaded rotatable part, and wherein the rotational motion is controlled to control back pressure of the injection plunger. A second electric motor is used for controlling the back pressure on the injection plunger by controlling rotation of the threaded rotatable part. The backward force exerted on the injection plunger or the direct pressure of the molten material within the injection heating tube are electrically measured. By driving and controlling the second motor through feedback control, the back pressure is made to coincide with a set, preselected back pressure value.
    • 一种用于控制电动注射装置中的背压的方法,其中注射柱塞在注射加热管内的旋转和向前运动由提供驱动力的第一电动机执行,其中注射柱塞在 材料的充电压靠螺纹旋转部件,从而转换成螺纹可旋转部件的旋转运动,并且其中控制旋转运动以控制注射柱塞的背压。 第二电动机用于通过控制带螺纹的旋转部件的旋转来控制喷射柱塞上的背压。 对喷射柱塞施加的后向力或喷射加热管内的熔融材料的直接压力进行电测量。 通过反馈控制来驱动和控制第二电动机,使得背压与设定的预选的背压值一致。
    • 7. 发明授权
    • Hydraulic motor
    • 液压马达
    • US4004498A
    • 1977-01-25
    • US611113
    • 1975-09-08
    • Katashi Aoki
    • Katashi Aoki
    • F03C1/053F03C1/22F03C1/40F01B3/10
    • F03C1/0447F03C1/053F03C1/223
    • An intermittent hydraulic motor which comprises: a crank shaft; a plurality of hydraulic cylinders having pistons engaging with an eccentric member of said crank shaft; pressure oil lines connected to said hydraulic cylinders; check valves having choke valves; and independent changeover valves which connect one of said hydraulic cylinders to a pressure pump and the others to an oil tank; and being characterized in that said crank shaft together with said eccentric member is rotated independently of synchronism with the crank shaft for a certain angle only by the application of oil pressure to said one of the hydraulic cylinders.
    • 一种间歇式液压马达,包括:曲柄轴; 多个液压缸,具有与所述曲轴的偏心构件接合的活塞; 连接到所述液压缸的压力油管; 带止回阀的止回阀; 以及将所述液压缸中的一个连接到压力泵而另一个连接到油箱的独立切换阀; 其特征在于,所述曲轴与所述偏心构件一起,仅通过向所述一个液压缸施加油压而与曲轴独立地旋转一定角度。
    • 8. 发明授权
    • Method of molding low melting point metal alloy
    • 低熔点金属合金成型方法
    • US07036551B2
    • 2006-05-02
    • US11066598
    • 2005-02-25
    • Kazuo AnzaiKoji TakeiKo Yamazaki
    • Kazuo AnzaiKoji TakeiKo Yamazaki
    • B22D17/08B22D23/00B22D25/00
    • B22D17/007B22D17/2023B22D17/32Y10S164/90
    • The present invention relates to a method of molding a low-melting-point metal alloy which exhibits thixotropy properties in a solid-phase and liquid-phase coexisting temperature region. In this method, a temperature of a heating holding cylinder is increased to a liquidus temperature or higher at the start of a molding operation. Then a remaining material in the preceding molding remaining in the heating holding cylinder in a solid state is wholly melted. After that a temperature of the heating holding cylinder is lowered to a temperature in the solid-phase and a liquid-phase coexisting temperature region. At the same time a molding material is supplied and a provisional molding is carried out. After the temperature has reached the solid-phase and liquid-phase coexisting temperature region, a regular molding is started. By the present invention a problem of a remaining material in the heating holding cylinder, which becomes a trouble at the start of molding by injection, is solved.
    • 本发明涉及在固相和液相共存温度区域中显示触变性的低熔点金属合金的成型方法。 在该方法中,在成型操作开始时,加热保持筒的温度升高至液相线温度以上。 然后,保持在固体状态的加热保持筒中的前述成型体中的剩余材料完全熔化。 之后,将加热保持筒的温度降低到固相和液相共存温度区域的温度。 同时提供成型材料并进行临时成型。 在温度达到固相和液相共存温度区域之后,开始规则的成型。 通过本发明,解决了通过注射成型开始成为故障的加热保持筒中的剩余材料的问题。
    • 9. 发明授权
    • Composite processing machine
    • 复合加工机
    • US4996762A
    • 1991-03-05
    • US381739
    • 1989-06-23
    • Kazutoshi Takayama
    • Kazutoshi Takayama
    • B23H1/00B23H5/04B23P23/02B23P23/04B23Q3/155B23Q11/00B23Q39/02B24B53/00
    • B23Q11/0042B23H5/04B23P23/02B23Q3/15513B23Q39/02B24B53/001Y02P70/171Y10T483/16Y10T483/17Y10T483/1779
    • This invention relates to a composite processing machine designed so as to be movable in a longitudinal and lateral direction on the side of a work table so that cutting process, discharge process, electrolytic grinding process and the like may be accomplished by a single machine, comprising means for moving a work table (1) on a machine bed (2) in a direction of x-axis and y-axis, a processing unit (9) having a chuck (14) capable of being detachably engaged with various tools and a discharge electrode at the fore end of a spindle (1) positioned upwardly of the work table (1) and comprising a motor (15) for rotating spindle and a fixing brake (12), means for moving a processing unit (9) in a direction of z-axis, an auto tool changer (18) for holding a cutting tool, a discharge electrode, a measuring probe, a grinding wheel and the like to selectively feed them to the chuck, and a processing power source (22) connected over a discharge electrode (26) or a grinding wheel (51) mounted on the chuck (14) and a work (4) within the liquid tank or a nozzle (50) for coolent to apply a dc current to a processing power source (22).
    • PCT No.PCT / JP88 / 01106 Sec。 371日期1989年6月23日第 102(e)日期1989年6月23日PCT提交1988年10月28日PCT公布。 出版物WO89 / 03745 日本5月5日公开。本发明涉及一种被设计为能够在工作台的纵向和横向方向上移动的复合加工机,从而可以实现切割加工,排出工序,电解研磨加工等 通过单个机器,包括用于在x轴和y轴的方向上移动机床(2)上的工作台(1)的装置,具有能够可拆卸的卡盘(14)的处理单元(9) 与位于工作台(1)上方的主轴(1)的前端处的各种工具和放电电极接合,并且包括用于旋转主轴的电动机(15)和固定制动器(12),用于移动处理 单元(9),用于保持切割工具的自动工具更换器(18),放电电极,测量探针,砂轮等,以选择性地将其馈送到卡盘,以及处理 电源(22)连接在放电电极(26)或砂轮上 安装在所述卡盘(14)上的工件(4)和所述液体罐内的工件(4)或用于冷却的喷嘴(50)以将直流电流施加到处理电源(22)。