Silica gel key self-cleaning edge cutting device

The invention discloses a silica gel key self-cleaning edge cutting device. The device comprises an installation frame, a supporting frame, a sliding head, an electric telescopic rod, an installationplate and a scrap cleaning unit. The installation frame is arranged in a long strip shape. A cross section of the installation frame is U-shaped. The supporting frame is fixedly connected to an uppersurface of a middle position of two side plates of the installation frame. The supporting frame is arranged in an inverted U shape. An installation groove is arranged in the middle of an upper rod ofthe supporting frame. The sliding head is fixedly connected into the installation groove of the supporting frame through a bolt, a lower surface of the sliding head is fixedly connected with a fixed end of the electric telescopic rod, and a telescopic end of the electric telescopic rod is fixedly connected with an upper surface of the installation plate. The structure is simple, part assembling isreasonable, a cleaning effe