Mobile bearing press

Abstract

The invention relates to a mobile bearing press which is used for a pressing axle reducer assembly bearing. A pneumatic pressing machine adopts a gas-liquid booster cylinder and is movably hung on a guiding rail, and a counter force rod mechanism is connected with the pneumatic pressing machine. When in pressing, a press block inlaid with a magnet is connected with a shaft by a screw, an outer ring of the bearing is adsorbed on the press block, a handle of the counter force rod mechanism is rotated, and a clamping jaw extends out to hook the inner end surface of a reducer shell bearing saddle hole so as to finish the bearing pressing under the action of the booster cylinder. Due to the pneumatic pressing and hanging, the whole press is light, can move freely on the preset guiding rail and cover a plurality of assembly trolleys, and can press bearings synchronously with the assembly line under the condition of occupying the space beside the assembly line as little as possible; the mobile bearing press can press bearings instead of manual beating, and improve the assembling quality of the assembly line; the mobile bearing press improves the traditional assembly line of bearing pressing and guarantees smooth and consistent pressing process under harsh requirements of the field conditions; and the mobile bearing press reduces the labor intensity of operators.

Description

technical field [0001] The invention relates to a bearing pressing device for assembling assembly parts in the field of automobile manufacturing, in particular to a main cone bearing pressing device in the process of axle reduction assembly. Background technique [0002] In the assembly process of automobile axle reduction, it is necessary to press-fit the main cone bearing into the bearing hole inside the reduction housing. At present, the axle reduction assembly has realized the assembly line flow operation. Each line is equipped with several sets of flow circulation fixtures and several stations. assembly action. There are generally two forms of press-fitting of the existing shell-reducing bearings: 1. Manual knocking (the total reduction is fixed on the trolley on the loop line, and the trolley moves along the loop line. It is impossible to arrange a fixed hydraulic machine in the line body, and only manual knocking can be used. ); 2. The fixed station is set with a fi...

AI Technical Summary

Problems solved by technology

There are certain application defects or limitations in the above two methods

Manual knocking and assembly of bearings: due to the uncontrollable and uneven knocking force, it is easy to cause early damage to the bearing assembly under the influence of human uncertain factors, resulting in early failure of the bearing after the vehicle is assembled; The fixed-point press-fitting of the press-fitting machine with fixed stations can ensure the standard of bearing press-fitting and eliminate the influence of artificial uncertain factors caused by manual knocking. However, there are certain restrictions on the use conditions of fixed-point press-fitting of fixed presses: a. The assembly line production line must be included in the scope of process design at the initial stage of construction, and it must be installed simultaneously with the installation and commissioning of the assembly line. If it is not considered in the early stage, it will be difficult to add it independently in the later stage; Accurate positioning of the position energy requires high requirements for the jig trolley, but it cannot be used for the assembly line of the simple human-driven assembly trolley; at the same time, the reaction force generated by the existing fixed press machine when pressing the bearing can only be overcome by parts or equipment , seriously affecting the life of bearings and press-fitting machines

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