Extrusion die and extrusion process of water-cooled motor shell of new energy automobile

Abstract

The invention provides an extrusion die and an extrusion process of a water-cooled motor shell of a new energy automobile. The extrusion die comprises an upper die, an insert ring, a middle die and a gasket which are connected in sequence; eight diversion holes are uniformly formed in the upper die; a large die core is fixedly connected to one side, opposite to the middle die, of the upper die; 16 diversion holes are uniformly distributed around a perforating hole in the insert ring; the insert ring is inserted into the upper die; distribution bridges of the insert ring are located in the middle of the diversion holes of the upper die; and a plurality of small die cores are uniformly distributed on one side, facing the middle die, of the insert ring. The upper die of the die is designed into a split type combined structure, and is divided into a main body and the insert ring, so that the positions where an original integral upper die numerical control machine tool can not process can be separated and separately processed, and the number of positions needing to be electrically processed on the large die core and the small die cores is much smaller, so that the processing flow of the die is optimized, the manufacturing period of the die is shortened, the cost is saved, the maintenance is convenient, and the processing efficiency of the die is improved.

Description

technical field [0001] The invention relates to the field of aluminum alloy profile manufacture, in particular to an extrusion die and an extrusion process for a water-cooled motor housing of a new energy vehicle. Background technique [0002] With the development and growth of the aluminum profile industry, the use of aluminum alloy metal products is becoming wider and wider. At present, the cooling methods used by motors are mainly water-cooled and air-cooled. Water-cooled motors are more widely used, and the main molding method of motor casings is extrusion molding. The advantages of rapidity have been recognized by the industry. However, there are certain difficulties in the manufacture of molds. There are multiple water-cooling channels on the motor casing, and each water-cooling channel corresponds to a mold core. It increases the difficulty, and it is a challenge to the processing. The traditional mold designed for the water-cooled motor shell will not be able to be...

AI Technical Summary

Problems solved by technology

However, there are certain difficulties in the manufacture of molds. There are multiple water-cooling channels on the motor casing, and each water-cooling channel corresponds to a mold core. It increases the difficulty, and it is a challenge to the processing. The traditional mold designed for the water-cooled motor shell will not be able to be processed by the CNC machine tool in many places during processing. If the design and processing of the mold are not in place, the production efficiency will be low. The quality of pressed profile products is not up to standard and other problems

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