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    • 2. 发明授权
    • Control device for the advancing motion of a casting plunger
    • US09993868B2
    • 2018-06-12
    • US14372423
    • 2013-01-10
    • Oskar Frech GmbH + Co. KG
    • Norbert ErhardPeter Maurer
    • B22D17/32B22D17/08B22D17/10B22D17/20
    • B22D17/32B22D17/08B22D17/10B22D17/2015
    • A device is provided for controlling the advancing movement of a casting plunger in a casting chamber of a cold-chamber die casting machine by way of an actuating signal, the advancing movement comprising a chamber filling movement phase from a partial filling position, with a partially filled casting chamber starting volume, to a full filling position, with a filled casting chamber remaining volume. In the device, a respective associated progression of an actuating signal is provided for different specified sets of values of a plurality of process parameters that influence the movement of the molten material in the casting chamber during the chamber filling movement phase, which progression is defined as the most suitable actuating signal progression for the particular set of parameter values. The device is designed to use the most suitable actuating signal progression in dependence on values of the process parameters pertaining at the beginning of a casting cycle for controlling the casting plunger advancing movement during the chamber filling movement phase. The plurality of process parameters include at least one casting chamber geometry parameter, at least one filling amount parameter, at least one casting mold parameter and/or at least one casting chamber temperature or molten material temperature parameter.
    • 4. 发明申请
    • PISTON FOR COLD-CHAMBER INJECTION MACHINES
    • 活塞式注射机活塞
    • US20170066047A1
    • 2017-03-09
    • US15120361
    • 2015-02-11
    • ALROTEC TECNOLOGY, S.L.U.
    • Jordi Alguero GUASCH
    • B22D17/20B22D17/08
    • B22D17/203B22D17/08
    • A PISTON FOR COLD-CHAMBER INJECTION MACHINES comprising a support (2) and an external body (3) with a sealing ring (5), joined by a bayonet lock ring (6) independent of the external body (3) and divided into two parts (6a) fitted onto a groove (21) in the support (2) and connected by long screws (7) inserted into threaded holes (61). The piston preferably includes a spring bush (4) as a part that adjusts to the container, independent of the external body (3) and of the bayonet lock ring (6), under which a conical spring ring (8) is included which exerts pressure on the two parts that form the bush (4), tending to expand the same. The piston also includes alternating transverse grooves (81) along the edges thereof for receiving conical metal tips (9) inserted through holes (63) in the bayonet lock ring (6).
    • 一种用于冷室注射机的活塞,包括具有密封环(5)的支撑件(2)和外部主体(3),所述密封环由卡口锁定环(6)独立于所述外部主体(3)连接并分成两部分 安装在支撑件(2)上的凹槽(21)上并通过插入螺纹孔(61)的长螺钉(7)连接的部件(6a)。 活塞优选地包括弹簧衬套(4),其作为与外部主体(3)和卡口锁定环(6)无关地调节到容器的部件,在该弹性衬套(4)下方包括锥形弹簧环(8) 压力在形成衬套(4)的两个部分上,倾向于扩大。 活塞还包括沿着其边缘的交替的横向槽(81),用于接收插入穿过卡口锁定环(6)中的孔(63)的锥形金属末端(9)。
    • 7. 发明授权
    • Die casting apparatus which eliminates shot sleeve-metal contact
    • 压铸设备,可消除喷射套筒 - 金属接触
    • US4006774A
    • 1977-02-08
    • US687772
    • 1976-05-19
    • Walter Edward Mikulski
    • Walter Edward Mikulski
    • B22D17/08B22D17/14
    • B22D17/14B22D17/08
    • Disclosed is a casting machine in which first and second die halves define a die cavity in the shape of the article to be cast and a narrow runner opening into the cavity. A shot sleeve, having an upwardly oriented injection chamber, is connected to one of said die halves such that the top end of the injection chamber is in communication with the runner. A plunger, disposed for reciprocating motion in the chamber, has an upper face including a concavity for receiving sufficient casting material, such as molten metal, to form the article and for carrying the casting material out of contact of the shot sleeve when the plunger is advanced upwardly in the chamber. At least one of said die halves further defines a convexity projecting into the chamber, the convexity being adapted to cooperatively mate with the concavity and displace the casting material therefrom, through the runner and into the die cavity when the plunger is advanced to the top of the chamber. Contact between the casting material and shot sleeve and the problems associated therewith are essentially eliminated with the improved casting machine.
    • 公开了一种铸造机,其中第一和第二半模限定了待铸造制品形状的模腔和通向空腔的窄流道。 具有向上取向的注射室的喷射套筒连接到所述半模中的一个,使得喷射室的顶端与流道连通。 设置用于在腔室中往复运动的柱塞具有上表面,该上表面包括用于接收诸如熔融金属的足够的铸造材料的凹部,以形成制品,并且当柱塞为柱塞时,将铸造材料输送不与喷射套筒的接触 在室内向上推进。 所述模具半部中的至少一个进一步限定突出到所述腔室中的凸起,所述凸起适于与所述凹部配合地配合并且通过所述浇道从所述浇口移动所述铸造材料并且当所述柱塞前进到所述模具的顶部 房间。 使用改进的铸造机,基本上消除了铸造材料和喷射套筒之间的接触以及与之相关的问题。