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Anti-bubble casting device

A technology of anti-bubble and exhaust device, which is applied in the field of pressure casting or injection mold casting, can solve the problems of high speed and easy generation of pores in castings, achieve stable flow state, high practicability, and increase the actual distance

Inactive Publication Date: 2017-05-24
CHONGQING DAIFA CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide an anti-bubble casting device to solve the problem that the castings are prone to porosity caused by the high speed of filling the cavity with liquid metal

Method used

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  • Anti-bubble casting device

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Embodiment Construction

[0013] The present invention will be described in further detail below by means of specific embodiments:

[0014] The reference numerals in the accompanying drawings of the description include: crucible 1, air inlet pipe 101, air outlet pipe 102, liquid lifting pipe 103, pressure chamber 2, first chamber 201, second chamber 202, first pipe 301, second pipe 302, the third pipe 303, mold 4, cavity 401, plunger 5, exhaust device 6, regulating valve 601, filter screen 602, pressure gauge 701, instrument panel 702, alarm 703, vibrating plate 8, groove 801, check valve 9.

[0015] The embodiment is basically as figure 1 As shown: the present invention is an anti-bubble casting device, comprising a crucible 1, a mold 4, a pressure chamber 2, a first pipeline 301, a second pipeline 302 and a third pipeline 303, the top of the crucible 1 is provided with a liquid-raising conduit 103, and the crucible 1 is also An air inlet pipe 101 and an air outlet pipe 102 are provided, a cavity 40...

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Abstract

The invention relates to an anti-bubble casting device and belongs to the technical field of pressure casting or spraying mold casting, namely metal is pressed into a casting mold through high pressure during casting. The anti-bubble casting device comprises a crucible, a liquid ascending guide pipe, a pressure chamber, pipelines and a mold with a cavity; a plunger is slidably connected into the pressure chamber, one side of the pressure chamber is connected into the crucible through the first pipeline from the position above, the side, being connected with the first pipeline, of the pressure chamber communicates with the cavity through the second pipeline, and the other side of the pressure chamber is connected to the position above the cavity through the third pipeline from the position above; the other side of the pressure chamber is further provided with an air discharging unit, and a one-way valve is installed on a pipe opening of the end, being connected with the cavity, of the third pipeline; and a vibration plate is installed below the mold with the cavity, and the mold with the cavity is stored on the vibration plate in a mode being perpendicular to the ground. According to the anti-bubble casting device, air generated during pressure casting is reused, air holes formed in a casting piece and caused due to the fact that the speed of the liquid metal for filling the cavity is high are effectively reduced, energy is saved, and the practicability is high.

Description

technical field [0001] The invention belongs to the technical field of pressure casting or injection mold casting, that is, the metal is pressed into the casting mold by high pressure during casting. Background technique [0002] Die casting is a special casting method with less cutting and no cutting that develops rapidly in modern metal processing technology. It uses high pressure to make liquid or semi-liquid metal fill the cavity of the die-casting mold at a high speed, forming and forming under pressure. A method of obtaining castings by solidification, with high pressure and high speed filling of die casting molds. Castings through die casting have the advantages of good product quality, high production efficiency, and excellent economic effects. [0003] However, the existing pressure casting also has relatively obvious disadvantages: the crucible is directly connected to the cavity, which can easily cause the temperature of the crucible to be too high in the heated ...

Claims

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Application Information

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IPC IPC(8): B22D17/08B22D17/20
CPCB22D17/08B22D17/2015
Inventor 唐利
Owner CHONGQING DAIFA CASTING
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