Pressing valve for high-frequency furnace ash discharge pipe

The utility model relates to the technical field of high-frequency furnace ash discharge, in particular to a hold-down valve for a high-frequency furnace ash discharge pipe, which comprises a double-acting cylinder and a bottom plate, the double-acting cylinder is vertically mounted on the side wall of a high-frequency furnace, and the bottom plate is mounted at the bottom of the high-frequency furnace under the double-acting cylinder; a movable push rod penetrates through the double-acting air cylinder, a pressing block is arranged at the lower end of the push rod, and a concave cavity is formed in the lower end of the pressing block; the ash discharge pipe is wired between the pressing block and the bottom plate, and the push rod moves to drive the pressing block to be close to the bottom plate so as to press the ash discharge pipe; according to the hold-down valve for the high-frequency furnace ash discharge pipe, the double-acting air cylinder is arranged, a traditional spring reset structure can be repla