Mine stone crushing mechanical device

The utility model relates to the technical field of stone crushing devices for mines, in particular to a stone crushing mechanical device for mines, which comprises a box body and a crushing mechanism, a crushing cavity is arranged in the box body, a feed port is arranged at the top end of the box body, a discharge port is arranged at the bottom end of the box body, the feed port and the discharge port are both communicated with the crushing cavity, and the crushing mechanism is arranged in the crushing cavity. The smashing mechanism comprises a smashing box, a butt joint box and an adjusting frame, the adjusting frame is installed on one side of the box body, the butt joint box is installed on the other side of the box body, an adjusting groove is formed in the adjusting frame, an electric telescopic rod is arranged on the adjusting groove, a butt joint hole is formed in the box body, and the butt joint hole is communicated with the butt joint box. And a butt-joint groove is formed in one side of the butt-jo