Direct connection type kitchen waste treatment device

A direct connection type kitchen waste treatment device comprises a feeding port and a crushing bin, a crushing mechanism is arranged in the crushing bin, the crushing bin comprises an upper conical cylinder and a lower conical cylinder, an upper opening of the upper conical cylinder serves as the feeding port, the lower portion of the upper conical cylinder is connected with the upper portion of the lower conical cylinder, the crushing mechanism is a conical cutter head, and the conical cutter head is located in an inner cavity of the upper conical cylinder. A gap between the conical cutter head and the upper conical cylinder is a discharging station after cutting, a cutter shaft of the conical cutter head is connected with an output shaft of a cutter head motor, and the cutter head motor is installed in an upper inner cavity of the lower conical cylinder in a sealed mode; the solid-liquid separation assembly comprises a solid-liquid separation bin and a water return bin, a lower outlet of the lower conical