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Vacuum pressurizing casting machine

A technology of vacuum pressurization and casting machine, applied in the field of metal casting machines, can solve the problems of low product density, low qualification rate, large loss, etc., and achieve the effects of strong anti-interference ability, high yield and low loss

Inactive Publication Date: 2021-09-17
深圳市银宝丰首饰设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the metal casting machines on the market are non-vacuum pressure casting, which have disadvantages such as low product density, many sand holes, low pass rate, and large loss.

Method used

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0025] refer to Figure 1-5 , a vacuum pressurized casting machine, comprising a furnace chamber (1), a mold chamber (2) is arranged below the furnace chamber (1), and a cylinder chamber (3) is arranged below the mold chamber (2). The cylinder chamber (3) pushes out upwards to seal the bottom of the mold chamber (2), and the metal flows into the mold chamber (2) for molding after melting in the furnace chamber (1).

[0026] Among them, a crucible (4) is installed in the furnace chamber (1), a liquid leakage hole (5) is arranged at the bottom of the crucible, an induction coil (6) is arranged outside the crucible (4), and a sealing rod (7) is arranged inside the cruci...

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Abstract

The invention discloses a vacuum pressurization casting machine. The machine comprises a hearth chamber, a mold chamber is arranged below the hearth chamber, and an air cylinder chamber is arranged below the mold chamber. A crucible is mounted in the hearth chamber, an induction coil is arranged outside the crucible, a sealing rod is arranged in the crucible, a sealing head is arranged at the lower end of the sealing rod and is matched with a liquid leakage hole, a pinch bar assembly is mounted at the top of the sealing rod, and an air exhaust hole is formed in the hearth chamber. The whole cavity formed by the hearth chamber and the mold chamber is vacuumized by an air exhaust pump through the air exhaust hole. In the vacuum environment, metal is melted through electromagnetic induction heating and then flows into a forming mold in the mold chamber to be formed, the whole process is carried out in the vacuum environment, sand holes of castings can be effectively reduced, the surfaces of the castings are smooth, the yield is high, and loss is low. The PLC control and touch screen technology is adopted, so that the working efficiency is high, and the operation is more convenient and quicker.

Description

technical field [0001] The invention relates to the technical field of metal casting machines, in particular to a vacuum pressure casting machine. Background technique [0002] Metal casting is a process in which metal is smelted into a liquid that meets certain requirements and poured into a mold, cooled and solidified, and cleaned to obtain a casting with a predetermined shape, size and performance. Because the casting blank is almost formed, the purpose of free machining or a small amount of machining reduces the cost and reduces the time to a certain extent. Casting is one of the basic processes of the modern machinery manufacturing industry. [0003] At present, most of the metal casting machines on the market are non-vacuum pressure casting, which have disadvantages such as low product density, many sand holes, low pass rate, and large loss. There is an urgent need in the market for a casting equipment that can produce metal casting products with high density, less sa...

Claims

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Application Information

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IPC IPC(8): B22D18/06B22D18/08B22D27/09
CPCB22D18/06B22D18/08B22D27/09
Inventor 黄天英曾丽琴
Owner 深圳市银宝丰首饰设备有限公司
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