Automatic weighing device for granular dangerous goods in civil explosive industry

The invention discloses an automatic weighing device for granular dangerous goods in the civil explosive industry, which comprises a mounting plate, a guide pipe is fixedly mounted in the middle of the upper end of the mounting plate in a penetrating manner, a waste box is arranged at the left part of the upper end of the mounting plate, a lower auxiliary mechanism is fixedly mounted at the upper end of the guide pipe, and an upper auxiliary mechanism is arranged above the lower auxiliary mechanism. The lower portion of the outer cylindrical surface of the upper auxiliary mechanism extends into an inner cavity of the lower auxiliary mechanism and is movably connected with the lower auxiliary mechanism, a mounting frame is fixedly mounted on the upper portion of the right end of the upper auxiliary mechanism, and a weighing sensor is fixedly mounted at the upper end of the mounting frame and extends into an inner cavity of the upper auxiliary mechanism. And a loading mechanism is arranged on the weighing surfa