Solid sample grinding device suitable for chemical detection

The utility model discloses a solid sample grinding device suitable for chemical detection, which comprises a box body, a storage box and side plates, an internal thread pipe is welded at the top of the box body in a penetrating manner, a screw rod is sleeved in the internal thread pipe, the side plates are fixed at two ends of the top of the box body through bolts, one end of each side plate is provided with a gear motor through a mounting rack, and the gear motor is connected with the storage box. A lead screw is installed between the side plates through a bearing, the outer side of the lead screw is sleeved with an internal thread sliding block, a connecting column is fixed to the bottom of the internal thread sliding block through a bolt, and a driving motor is installed at the bottom of the connecting column through an installation frame. The fixed solid sample is ground by pushing the grinding disc rotating at a high speed to move, proper grinding can be carried out according to the use amount, the inte