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A kind of vacuum casting system and using method

A vacuum casting and vacuum machine technology, which is applied in the field of die casting machines, can solve the problems of aluminum liquid blocking vacuum valves and clogging, and achieve the effect of avoiding clogging

Active Publication Date: 2021-11-26
GUANGDONG HONGTU TECHNOLOGY (HOLDINGS) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the above defects or improvement needs of the prior art, the present invention provides a vacuum casting system and its use method, the purpose of which is to effectively prevent the aluminum liquid from clogging the vacuum valve, thereby solving the technical problem of the aluminum liquid clogging the vacuum valve

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  • A kind of vacuum casting system and using method

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0036] figure 1 It is a schematic structural diagram of a vacuum casting system provided by an embodiment of the present invention, such as figure 1 As shown, the vacuum casting system includes a die casting machine 1, a vacuum valve 2 and a vacuum machine 3.

[0037] Die-casting machine 1 comprises base 11, movable mold 12 and fixed mold 13, and fixed mold 13 is fixed on the base 11, and mova...

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Abstract

The invention discloses a vacuum casting system and a using method, belonging to the field of die casting machines. The vacuum casting system includes a die-casting machine, a vacuum valve and a vacuum machine. The die-casting machine includes a base, a movable mold and a fixed mold. The fixed mold is fixed on the base. The movable mold is slidably located on the base. The molding cavity and the extrusion cavity are connected, and the molding cavity and the extrusion cavity are connected. The valve includes a valve core and a valve body. The outer wall of the valve body is slidably inserted into the inner wall of the valve body, the sealing piston is movably located in the extrusion cavity, the valve body is located on the fixed mold, and the valve body has an insertion hole, a first through hole for inflation, and a Inflatable second through hole, exhaust hole and air blowing hole, the valve core is movably inserted in the socket, and the exhaust hole communicates with the vacuum machine. The vacuum casting system provided by the invention can effectively prevent the aluminum liquid from clogging the vacuum valve.

Description

technical field [0001] The invention belongs to the field of die-casting machines, and more specifically relates to a vacuum casting system and a use method. Background technique [0002] The vacuum casting system is a kind of equipment that uses the vacuum source to discharge the gas inside the molding cavity, and makes the aluminum liquid fill the molding cavity in this vacuum state. [0003] In the related technology, a vacuum valve is installed at the exhaust end of the molding cavity. After the injection starts, the vacuum valve is opened to discharge the air in the molding cavity. Before the injection is finished, the vacuum valve is closed to prevent the aluminum liquid from blocking the exhaust port. . [0004] However, in the above method, the time for actively controlling the closing of the vacuum circuit is relatively short, the control method requires the action of closing the valve to be very fast, and the failure rate of the vacuum valve is high. These factors...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/14B22D17/20B22D17/22
CPCB22D17/14B22D17/20B22D17/2007B22D17/2227
Inventor 曾庆杰聂俊毅黄志垣汪学阳张玉龙
Owner GUANGDONG HONGTU TECHNOLOGY (HOLDINGS) CO LTD
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