Vacuum casting machine
A technology of vacuum casting and vacuum box, which is applied in the field of aluminum alloy casting, and can solve problems such as easy oxidation of aluminum alloy and inability to polish castings
Active Publication Date: 2012-08-29
浙江恒吉智能科技有限公司
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Problems solved by technology
[0002] In the aluminum alloy casting industry, when casting aluminum alloy castings with thinner walls, the aluminum alloys that are hot-melted in the air are easily oxidized, resulting in castings with thinner walls that cannot be polished in subsequent processes
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[0018] Example: see Figures 1 to 3 As shown, the vacuum pouring machine includes a vacuum box 1, a casting upper mold 2, a casting lower mold 3 and a vacuum pump 4. The vacuum box 1 has a left airtight door 101 and a right airtight door 102, and a vacuum nozzle 103. In the vacuum box 1 A linear guide rail 5 is fixed, and rollers 8 are installed on the feeding car 6 and the mold car 7, and the rollers 8 move along the linear guide rail 5;
[0019] The feeding car motor 9 drives the feeding car chain 10 to rotate through the sprocket, and the teeth of the feeding car gear 11 extend into the chain hole of the feeding car chain 10, and the feeding car gear 11 is fixed on the feeding car 6;
[0020] Die car motor 12 drives mold car chain 13 to rotate by sprocket wheel, and the tooth of mold car gear 14 stretches in the chain hole of mold car chain 15, and mold car gear 14 is fixed on the mold car 7;
[0021] The upper hopper 16 is hinged on the feeding cart 6, and the upper hoppe...
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The invention relates to a vacuum casting machine. A linear guide rail is fixed in a vacuum box, a feeding trolley and a mould trolley are provided with idler wheels, and the idler wheels move along the linear guide rail; a feeding trolley motor drives a feeding trolley chain to rotate through a chain wheel, and teeth of a feeding trolley gear extend into chain holes of the feeding trolley chain; a mould trolley motor drives a mould trolley chain to rotate through a chain wheel, and teeth of a mould trolley gear extend into chain holes of a mould trolley chain; a feeding hopper is hinged on the feeding trolley, and a discharging sharp nozzle and a feeding nozzle are formed on the feeding hopper; a step motor drives a screw rod to rotate, the screw rod is screwed on screw rod nuts, the two screw rod nuts are respectively fixed on a casting upper mould and a casting lower mould, the lower parts of the casting upper mould and the casting lower mould are placed with workpiece conveying steel belts, an upper mould push rod with an arc push block is fixed on the casting upper mould, and a lower mould push rod with an arc push block is fixed on the casting lower die. The vacuum casting machine is used for carrying out casting under a vacuum state, ensures the casting quality, and can ensure that oxygen consumption of the casting is little to the greatest extend especially when the casting with thinner wall is cast.
Description
Technical field: [0001] The invention relates to the technical field of aluminum alloy casting, and more specifically relates to a device for casting in a vacuum state. Background technique: [0002] In the aluminum alloy casting industry, when casting aluminum alloy castings with thinner walls, the aluminum alloys that are hot-melted in the air are easily oxidized, resulting in castings with thinner walls that cannot be polished in subsequent processes. Invention content: [0003] The object of the present invention is to provide a vacuum pouring machine aimed at the deficiencies of the prior art, which can ensure the quality of the castings poured out, and ensure less oxidation at the thinner walls of the castings, so as to facilitate subsequent processing. [0004] Technical solutions of the present invention are as follows: [0005] Vacuum pouring machine, including vacuum box, pouring upper mold, pouring lower mold and vacuum pump. The vacuum box has a left sealed do...
Claims
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IPC IPC(8): B22D18/06
Inventor 张青良
Owner 浙江恒吉智能科技有限公司