Feeding and discharging device of sand blasting machine

The utility model relates to the field of sand blasting machines, in particular to a sand blasting machine feeding and discharging device which comprises a conveying belt, a push plate, a buffer plate, a rotary drum, a base and two mounting lugs, the conveying belt is rotationally connected to the base, the push plate is arranged on the left side of the conveying belt, the buffer plate is arranged at the rear end of the conveying belt, the rotary drum is rotationally connected to the base, and the two mounting lugs are arranged on the base. And the push plate can stretch out and draw back on the left side of the conveying belt, the rotary drum can be opened and buckled, a plurality of screen holes are formed in the rotary drum, a bearing cover is installed on the base, and sand remaining in the aluminum material can be discharged through control. 本实用新型涉及喷砂机领域，更具体的说是一种喷砂机上下料装置，包括传送带、推板、缓冲板、转筒、底座和安装耳，传送带转动连接在底座上，推板设置于传送带左侧，缓冲板设置于传送带后端，转筒转动连接在底座上，底座上设置有两个安装耳，推板能够在传送带左侧进行伸缩，转筒能够打开和扣合，所述转筒上设置有多个筛孔，所述底座上安装有承接罩，本装置能