Aluminum alloy water meter case die-casting and molding technology and product thereof

A water meter case and die-casting molding technology, which is applied in the field of aluminum alloy products, can solve the problems of high cost, high consumption, and non-anodization of copper products, and achieve the effects of good corrosion resistance, good sealing, and low possibility

Inactive Publication Date: 2010-06-09
宁波炜兴特种铝制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] An object of the present invention is to solve the problems of high cost, high consumption and serious pollution of copper products in the above-mentioned prior art, and that aluminum alloy products are not easy to be strengthened by heat treatment, cannot be anodized by ordinary anodes, are easy to corrode and mildew, and have poor quality, etc., to provide a Aluminum Alloy Water Meter Case Die-casting Forming Technology

Method used

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  • Aluminum alloy water meter case die-casting and molding technology and product thereof
  • Aluminum alloy water meter case die-casting and molding technology and product thereof
  • Aluminum alloy water meter case die-casting and molding technology and product thereof

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Effect test

Embodiment 1

[0068] The raw materials are formulated as follows:

[0069] Mg 40kg, Mn 7kg, Fe 4kg, Cr 1kg, Al 948kg, put various raw materials into the crucible boiler, and melt them to a liquid state at a temperature of 620-650°C; Inject into the cavity, die-cast under 180T pressure, die-cast according to the existing technology, take out the mold and take the blank; take out the mold from the blank and insert it into the mold; - remove the blank head; blank heat treatment process: use industrial RQ3 resistance furnace, put the blank , start the power supply, heat up to 520 ° C and keep the temperature for 3.00 hours - enter the water between 20-80 ° C for rapid cooling, this process is completed within 15 seconds from the furnace to the water; then put the processed blank into the industrial resistance furnace - well The furnace is kept at 170°C for 8 hours to achieve uniform molecular structure of the material, eliminate stress and improve hardness, which meets the requirements of turni...

Embodiment 2-8

[0072] Production technology is as embodiment 1, and formula is as shown in the table below:

[0073]

Embodiment 9

[0075] combine Figure 1-3 , an aluminum alloy water meter watch case, comprising an upper ring chamber 1, a lower ring chamber 2, a water inlet 3, and a water outlet 4, the water inlet 3 communicates with the lower ring chamber 2; the upper ring chamber 1 communicates with the water outlet 4 Connected; the upper ring chamber 1 is located above the lower ring chamber 2, and the movement of the water meter is divided into two mechanisms, namely, the metering mechanism and the counting mechanism. On the seat 5, the metering mechanism is located in the lower ring chamber 2, and the counting mechanism is located in the upper ring chamber 1.

[0076] The die-casting equipment of the present invention adopts 160T 180T 200T aluminum die-casting machine, its manufacturer Bengbu City Zhenhua Die-casting Machine Factory, J1118-J1175 type series.

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Abstract

The invention relates to the field of aluminum alloy products, in particular to aluminum alloy water meter case die-casting and molding technology and product thereof, solving the problems of high rejection rate and low output of a casting process of copper and iron products in the prior art, overcoming contradictions of unstable quality, no rigidity and easy deformation of plastic meter case products and also solving the problems of unstable quality of inability of heat treatment strengthening, difficult anodizing of ordinary anodes, easy corrosion and mildewing, poor quality, and the like of the traditional aluminum alloy products. The invention provides an aluminum alloy water meter case die-casting and molding technology which comprises the following production steps of: putting configured aluminum alloy ingots in a crucible furnace and melting; and die-casting aluminum alloy liquid. The product has good property, scientific and reasonable production process, easy operation and no environmental pollution, and is suitable for popularizations and applications.

Description

technical field [0001] The invention relates to the field of aluminum alloy products, and relates to an aluminum alloy water meter case die-casting molding technology and a product thereof. Background technique [0002] In the prior art, gray cast iron, ductile cast iron, lead brass and plastics are used to manufacture water meter cases. Gray cast iron and spheroidal cast iron cases are purely sand-cast and formed, and their compactness is low. The melting temperature of cast iron is between 1300-1600 degrees. During production, a large amount of waste gas and other pollutants are emitted, and the products produced by this material are easy to rust and corrode. The continuously produced rust and pollutants cause secondary pollution to domestic water. The casting of lead brass watch case is also sand casting, its density is low, and the melting temperature is between 1100-1300 degrees, so it also pollutes the atmosphere. The products produced by this material mostly use folk...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/00G01F15/14C22C21/06
Inventor 张惠训
Owner 宁波炜兴特种铝制品有限公司
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