Automobile drive axle housing and manufacturing technology and manufacturing mold of automobile drive axle housing

A manufacturing process and technology of drive axles, applied in the directions of axles, wheels, vehicle parts, etc., can solve the problems of insufficient guarantee of strength and reliability, cumbersome assembly of parts, and too thin wall thickness of the thickening section, so as to reduce oil leakage, The effect of reducing the number of molds and reducing the assembly process

CN105619029AActive Publication Date: 2016-06-01ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2016-06-01

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Abstract

The invention belongs to the technical field of automobile manufacturing and provides an automobile drive axle housing and a manufacturing technology and a manufacturing mold of the automobile drive axle housing. The manufacturing technology comprises a blanking process, a thickening process, a shifting process, a hydraulic molding process, an aging process, a finish machining process, a welding process, a drilling process and a coating process. According to the automobile drive axle housing and the manufacturing technology and the manufacturing mold of the automobile drive axle housing, by additionally arranging the thickening process, the shifting process and the hydraulic molding process, the welding positions of the automobile drive axle housing and the juncture number of parts are reduced, so that the finish machined axle housing is of a structure formed integrally; the problems of stress concentration and cold joint caused by the welding process are avoided, the finished product sealing performance of the whole axle housing is ensured, and occurring of the oil leakage phenomenon is reduced; in addition, by means of the structure formed integrally, the strength of the automobile drive axle housing can be improved, fracture is prevented, and the reliability of the whole automobile drive axle housing is improved; accordingly, the axle housing is light in weight, and the cost is reduced.
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Description

technical field

[0001] The invention belongs to the technical field of automobile manufacturing, and in particular relates to an automobile drive axle housing, a manufacturing process and a manufacturing mold thereof. Background technique

[0002] The drive axle housing is one of the main parts of the car. The drive axle housing plays the role of supporting the load of the car and transmitting the load to the wheels. The existing drive axle housing such as figure 1 As shown, it includes the first gear casing 101 and the second gear casing 102 that are interlocked with each other. There is a final drive installation hole between them, and the two end faces of the final drive installation hole are respectively connected to the final drive shell. Gasket 104, rear main reducer cover 105, and the two ends of the first gear cladding 101 are respectively connected with steel pipes 103; the existing automobile drive axle housing usually manufactures various parts through molds, and...

Examples

Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0044] Please refer to Figure 2-Figure 11 , in a specific embodiment, a manufacturing process of an automobile drive axle housing provided by the present invention includes:

[0045] Step S1: blanking process, select a hollow metal tube, and cut the hollow metal tube into a steel pipe blank 201, such as image 3 As shown; first select qualified raw materials, the outer surface of the raw materials is free from damage, the inner wall of the pipe is free from corrosion and damage, and the straightness of the pipe must be within 0.2 / 1000mm. The single material of the axle housing, that is, the stee...