Method for manufacturing radiator with long center distance and double water passages

Abstract

The invention discloses a method for manufacturing a radiator with long center distance and double water passages. The transverse side of a die cavity of a die for a radiating fin product is provided with an inner pouring gate communicated with the die cavity of the die, the inner pouring gate is communicated with an outer transverse runner, and the transverse runner is communicate with an outer straight runner; the other transverse side of the die cavity of the die for the radiating fin product is provided with an exhaust groove communicated with the die cavity of the die, and the exhaust groove is communicated with an external overflow groove; during die casting, the straight runner is positioned at the bottom, the overflow groove is positioned on the top, and the die cavity of the die for the radiating fin product is transversely placed, before die casting, the die is opened, steel pipe water passage inserts are well placed, then the die is closed, molten aluminum is delivered to a feeding barrel, a die casting machine starts injecting the molten aluminum, and the molten aluminum sequentially passes through the straight runner, the transverse runner, the inner pouring gate, the die cavity of the radiating fin product die, the exhaust groove and the overflow groove; and cooling molding, die opening and piece taking are carried out. By the method, the radiator with long center distance and double water passages can be diecast at one time by using the die casting machine with low tonnage, so that the manufacturing cost and the consumption of energy can be reduced.

Description

Technical field [0001] The invention relates to a manufacturing method of a large-center-distance dual-channel radiator. Background technique [0002] In the prior art die-cast aluminum bimetallic radiator, the die-casting method is to feed from the head of the product. During die-casting, the head of the product is downward, and the aluminum water is filled into the mold cavity by injection pressure to form the product. The incoming aluminum has a high water lift. Generally, if the heat sink of a die-cast aluminum radiator is die-cast on an 800-ton die-casting machine, the center distance cannot exceed 600mm. Therefore, a heat sink with a large center distance requires a large-tonnage die-casting machine to complete the die-casting. Summary of the invention [0003] The purpose of the present invention is to provide a method for manufacturing a large-center-distance double-channel radiator that can be die-casted with a small-tonnage die-casting machine at one time. [0004] The te...

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Problems solved by technology

[0002] In the die-casting aluminum bimetal radiator of the prior art, the die-casting method is to feed material from the head of the product. When die-casting, the head of the product is downward, and the aluminum water is filled with the mold cavity by the injection pressure to form a product. Since the product is vertically The feed aluminum water head is high. If the heat sink of a general die-casting aluminum radiator is die-cast on an 800-ton die-casting machine, its center distance cannot exceed 600mm. Therefore, a large-tonnage die-casting machine is required to complete the die-casting of a heat sink with a large center distance.

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