Method for manufacturing a gearbox for a washing machine

Abstract

The invention discloses a method for manufacturing a gearbox for a cleaning machine. The method comprises the following steps: S1, manufacturing an upper cover plate, a lower cover plate and a side cover plate; S2, manufacturing a middle tooth fixing base; S3, manufacturing a motor shaft fixing base; S4, manufacturing a gearbox fixing flange and a limiting tool; S5, installing and welding the upper cover plate and the lower cover plate with the middle tooth fixing base; S6, rigidly fixing the upper cover plate and the lower cover plate to the limiting tool through bolts, and then assembling and welding the upper cover plate, the lower cover plate and the side cover plate in a meshed mode; S7, welding the motor shaft fixing base and the upper cover plate; and S8, welding the upper cover plate and the lower cover plate to the gearbox fixing flange. According to the method, deformation is effectively reduced, and the sealing performance, the cleanness and the normal operation are ensured.

Description

technical field [0001] The invention relates to the field of pharmaceutical equipment, in particular to the manufacture of gear boxes. Background technique [0002] The cleaning machine is a high-temperature sterilization cleaning equipment, which is mainly used for cleaning traditional Chinese medicine bottles in the pharmaceutical field. The main structure of the washing machine equipment is as follows: figure 1 , divided into washing machine main body 1' and gear box 2'. As can be seen from the figure, the gear box is communicated with the main housing. Since the interior of the main body requires a clean and sterile environment, the connected gearbox must also achieve the same clean and sterile environment. However, due to the small size of the gearbox, if it is assembled first and then processed, the internal tightness and cleanliness cannot be guaranteed; if the interior of the gearbox is polished first and then assembled, and the box is reshaped once, it will be da...

AI Technical Summary

Problems solved by technology

However, due to the small size of the gearbox, if it is assembled first and then processed, the internal tightness and cleanliness cannot be guaranteed; if the interior of the gearbox is polished first and then assembled, and the box is reshaped once, it will be damaged during the secondary processing after welding. previous cleaning

In addition, due to the relatively complex internal structure of the gearbox, and the existence of the middle tooth fixing seat and the motor shaft fixing seat, these components must be welded with the gearbox casing plate before the gearbox casing is assembled; in this way, the gearbox casing When assembling, due to the small internal space, it is impossible to ensure that the fillet welds inside the housing are welded for a full week, the sealing performance cannot be guaranteed, and the clean and sterile environment cannot be guaranteed; The motor fixing seat cannot guarantee full welding, and the strength is not enough. At the same time, it cannot guarantee the verticality of the middle tooth fixing seat and the motor shaft fixing seat. After the gear is installed, there are problems that the gear collides with the gearbox shell plate, or the gears cannot cooperate.

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