Water outlet and air outlet switching mechanism of main shaft

Abstract

The invention discloses a water outlet and air outlet switching mechanism of a main shaft. The main shaft comprises a rear cover and a conveying channel used for conveying water flow or air flow to the front end of the main shaft, a water inlet is formed in the rear cover, a water-air channel is formed in the rear cover, the water-air channel is communicated between the water inlet and the conveying channel, an air inlet is fixed to the rear cover, an air inlet channel is arranged between the air inlet and the steam channel, a one-way air valve is arranged in the air inlet channel, and the airinlet end of the one-way air valve faces the air inlet; when airflow is injected into the air inlet, the one-way air valve is opened, and the airflow is transmitted to the front end of the spindle sequentially through the steam channel and the transmission channel; when water flow is injected into the water inlet, the one-way air valve is closed, and the water flow is transmitted to the front endof the spindle sequentially through the steam channel and the transmission channel. The water outlet state and the air outlet state can be automatically switched, meanwhile, switching control can beachieved only by occupying one path of IO port of the main shaft controller, and therefore cost is saved, linkage performance is improved, and system resources are saved.

Description

technical field [0001] The invention relates to a main shaft, in particular to a water outlet and air outlet switching mechanism of the main shaft. Background technique [0002] Spindle is generally used in machine tool equipment and is an important power mechanism for precision machining. During the working process of the spindle, in order to realize the functions of cleaning, cooling and cooling, the mechanism of the spindle involving the central water circuit or the central air circuit is generally used to realize the front-end cleaning function through the central water outlet or the central air outlet. At the same time, the central water outlet also helps Realize the cooling function inside the spindle. However, the existing water outlet and air outlet control methods need to design independent water and air passages, and the processing cost is relatively high. In addition, independent water inlet joints and air inlet joints need to be configured for the main shaft, an...

AI Technical Summary

Problems solved by technology

However, the existing water outlet and air outlet control methods need to design independent water and air passages, and the processing cost is relatively high. In addition, independent water inlet joints and air inlet joints need to be configured for the main shaft, and the water and air passages are controlled by independent electric control valves. , this control method lacks linkage and is costly, and it needs to occupy two IO ports of the spindle controller, which leads to waste of resources of the spindle controller and is difficult to meet the application requirements.

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