Locking device for collecting spring bolt chippings and extraction tank with locking device

The utility model discloses a locking device for collecting lock tongue chippings and an extraction tank with the locking device, the locking device for collecting the lock tongue chippings comprises a stop device, a lock box cover and a lock seat with an inner cavity, a partition plate is arranged in the inner cavity of the lock seat, the partition plate divides the inner cavity into a main cavity located on the rear portion and a chipping collecting tank located on the front portion, and the main cavity is provided with a lock tongue. A supporting table is arranged in the main cavity, a spring bolt guide table is arranged on the supporting table, a spring bolt extending front and back is slidably installed on the spring bolt guide table, the bottom face of the spring bolt is in sliding fit with the upper surface of the supporting table, the front portion of the spring bolt is provided with an inclined face inclining downwards from back to front, and guide holes in sliding fit with the left side and the righ