Full-automatic feeding and discharging device of PCB cleaning machine

The full-automatic feeding and discharging device of the PCB cleaning machine comprises a machine body, supporting legs are fixedly connected to the four corners of the lower end of the machine body, a cleaning frame is fixedly connected to the left portion of the upper end of a workbench, an observation window is fixedly connected to the middle of the front end of the cleaning frame, and an ultrasonic generator is fixedly connected to the upper end of the cleaning frame. The rear end of the ultrasonic generator is fixedly connected with a connecting pipe, the other end of the connecting pipe extends into the circulating pump, the upper end of the workbench is in transmission connection with a feeding roller, the right portion of the upper end of the workbench is fixedly connected with a limiting device, and the upper portion of the left end of the limiting device is fixedly connected with a pushing device. And the right part of the upper end of the pushing device is connected with an adsorption device. Accor