Crushing device for husked walnuts

The smashing device comprises a processing box, a feeding port is formed in the top of the processing box, a smashing mechanism is installed in the processing box under the feeding port, a screening net is fixed in the processing box under the smashing mechanism, and a pushing mechanism is installed on the left side of the processing box. A material returning mechanism is installed on the right side of the machining box and comprises a first hydraulic cylinder, a lifting plate, a second hydraulic cylinder, a machine base, a first motor, an adapter block and a feeding plate, the first hydraulic cylinder is fixed to the right side of the machining box, the lifting plate is fixed to the top of the first hydraulic cylinder, and the second hydraulic cylinder is installed on the lifting plate; a telescopic rod of the second hydraulic cylinder extends into the machining box to be connected with a machine base, a first motor is installed on the machine base, an output shaft of the first motor is provided with an adap