A gravity casting device for zinc alloy faucet
A technology of gravity casting and zinc alloy, which is applied in the direction of casting mold, casting mold composition, casting molding equipment, etc., can solve the problems of large material difference between zinc alloy and brass, achieve high casting yield, simple gate removal, and discharge gas full effect
Active Publication Date: 2020-10-16
QUANZHOU LIANCHUANG KITCHEN & BATHROOM CO LTD
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[0031] Below in conjunction with specific embodiment, this case is described in further detail.
[0032] This case involves a gravity casting device for a zinc alloy faucet, which is specially designed for the zinc alloy faucet body with a curved channel inner cavity. Zinc alloy faucet body with curved channel inner cavity such as Figure 4 A U-shaped zinc alloy faucet body 100 is shown, and the wall thickness of the finished product is 2.0mm. Limited by the shape and structure of this product, it is impossible to use zinc alloy die-casting; if brass gravity casting is used, the wall thickness of the finished product must be at least 2.8mm, and the casting wall thickness must reach 3.3mm to ensure the casting yield, and the casting cost is high. Therefore, this case proposes a gravity casting device for zinc alloy faucets, which is proposed for the zinc alloy gravity casting molding process, and comprehensively considers the key processes such as mold material, gate height, s...
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Abstract
The invention discloses a gravity casting device of a zinc alloy faucet. The device comprises a casting mold and a sand core; the casting mold comprises an upper mold body and a lower mold body; a mold cavity is formed between the upper mold body and the lower mold body, the sand core is located in the mold cavity, a cavity is formed between the sand core and the mold cavity, a sprue is formed inthe position, corresponding to the water inlet end of a faucet body, of the casting mold, and is flush with the cavity opening, and the sprue is away from the faucet body by more than 60 mm at least.After the casting mold is opened, the mold thickness is designed to 15 mm to 20 mm, and in the thickness area of the casting mold, multiple overflow grooves and multiple exhaust pieces are arranged inthe direction of an inner cavity channel of the faucet body. The device is mainly used for the zinc alloy faucet body with a bending water way inner cavity, gravity casting mold structure optimization design is carried out mainly from aspects of the sprue, the mold thickness, and a discharge and overflow system, and the device has the beneficial effects that sprue cutting is easy, exhaust is sufficient, and the casting yield is high.
Description
technical field [0001] The invention relates to the field of design and manufacture of non-ferrous metal casting molds, in particular to a gravity casting device for a zinc alloy faucet. Background technique [0002] In order to meet the requirements of some standard documents including GB18145-2014, the high-end zinc alloy faucet body is often only used as a non-wading body. Compared with the brass faucet, it has significant advantages in weight, process requirements, texture, price, etc. Advantage. At present, most of the common zinc alloy faucet body adopts die-casting process, and the internal water channel is formed by core pulling. With the increasing artistic requirements for the appearance of the faucet body, complex and curved water channels appear inside the body. The traditional die-casting process has problems such as inability to pull the core, high production cost, and low casting yield, which limits its mass application. When gravity casting is adopted, the ...
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IPC IPC(8): B22C9/24B22C9/08B22C9/10B22C9/06
CPCB22C9/061B22C9/067B22C9/082B22C9/10B22C9/24
Inventor 洪煌耀陈永禄曾天生李炳慰杨勇全柘林张洋
Owner QUANZHOU LIANCHUANG KITCHEN & BATHROOM CO LTD