Powder feeding device for ground material production

The utility model relates to a powder feeding device for ground material production, which comprises a feeding box, the top of the feeding box is provided with two feed ports, the bottom of the feeding box is fixedly provided with two discharge ports, the interior of the feeding box is fixedly provided with an anti-blocking mechanism, and the bottom of the feeding box is fixedly provided with a discharging port. The anti-blocking mechanism comprises a first motor, a first rotating rod, a spiral pushing paddle, a screen, a second motor, a second rotating rod, a stirring rod, an electric push rod, a supporting rod, a connecting rod and a knocking hammer. According to the powder feeding device for ground material production, an anti-blocking mechanism is arranged, after powder raw materials are filtered and mixed evenly through a spiral pushing paddle, a screen and a stirring rod, knocking hammers are driven to knock the left side wall and the right side wall of a feeding box when an electric push rod stretches