Central axle housing and semi-axial casing pipe assembly positioning pin pressing machine

Abstract

The invention provides a central axle housing and semi-axial casing pipe assembly positioning pin pressing machine. The pressing machine includes a rack; a bed is arranged on the rack; the bed and the rack are slidingly connected; a positioning mechanism and a pressing mechanism are arranged on the bed; the positioning mechanism includes an axial positioning mechanism and a radial positioning mechanism; the radial positioning mechanism includes two V-shaped positioning plates; the axial positioning mechanism includes a thin oil cylinder and an axial limiting plate, and the thin oil cylinder is horizontally fixed; a push rod is arranged on a piston rod of the thin oil cylinder; the push rod and the axial limiting plate are arranged coaxially; the pressing mechanism includes a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder, and a fourth hydraulic cylinder; the first hydraulic cylinder and the second hydraulic cylinder are vertically arranged on the lower end of the bed; the third hydraulic cylinder and the fourth hydraulic cylinder are vertically arranged on the upper end of the bed; the fourth hydraulic cylinder and the second hydraulic cylinder are arranged correspondingly; the third hydraulic cylinder and the first hydraulic cylinder are arranged correspondingly; lower positioning sleeves are arranged on piston rods of the first hydraulic cylinder and the second hydraulic cylinder; and upper positioning sleeves are arranged on piston rods of the third hydraulic cylinder and the fourth hydraulic cylinder. The pressing machine is good in pressing quality, can reduce the working intensity of workers, and can improve the assembly efficiency.

Description

Technical field [0001] The invention relates to a pressing machine used in the process of installing positioning pins of an automobile middle axle housing and a half shaft sleeve assembly, and belongs to the field of automobile manufacturing equipment. Background technique [0002] Eight positioning pins need to be installed in the assembly process of the middle axle housing and the half shaft sleeve assembly of the automobile. [0003] The installation of the positioning pins of the existing automobile mid-axle housing and half-shaft sleeve assembly is mostly manual manual knocking. In this assembly method: since the benchmark of the knocking equipment is the hammer striking surface and the end face of the positioning pin, the knocking process There are man-made uncertain factors such as the size and uniformity of the percussion force, which is difficult to control, which makes the pressing depth difficult to grasp, and the assembly quality cannot be guaranteed. At the same time, ...

AI Technical Summary

Problems solved by technology

[0003] The installation of the positioning pins of the existing automobile mid-axle axle housing and half-axle bushing assembly is mostly manual knocking. In this assembly method: since the benchmark of the knocking equipment is the hammering surface and the end face of the positioning pin, the knocking process There are artificial uncertain factors such as the size of the knocking force and the difficulty in controlling the uniformity, which makes it difficult to grasp the depth of the press fit, and the assembly quality cannot be guaranteed. At the same time, the axle housing needs to be turned 180 degrees during the assembly process, which increases the labor intensity of the workers. , the production efficiency is low, which affects the profit of the enterprise

Therefore, the existing press-fitting methods can no longer meet the needs of mass production of automobiles

Images