Collecting device for aquaculture

The utility model discloses a collecting device for aquaculture. The ashtray comprises an ashtray body and a bracket, the cylinder body is arranged above the bracket; wherein the cylinder body comprises a cylindrical part, a first funnel part and a second funnel part; the first funnel part and the cylinder part are integrally formed; the second funnel part is arranged in the first funnel part; theoutlet end of the second funnel part penetrates through the first funnel part; the first funnel part and the second funnel part are integrally formed; switching valves are arranged at the lower endsof the first funnel part and the second funnel part; wherein a support sheet and an isolation plate are arranged at the bottom of the tank body, the isolation plate is arranged at the upper part of the support sheet, a hollow part is arranged in the middle of the isolation plate, a feeding box is arranged in the hollow part and is hinged with the isolation plate, a push rod is arranged on the feeding box and is hinged with