Material rack for machining

The utility model provides a material shelf for machining, which comprises a box body, supporting screw rods arranged on two sides in the box body, sleeves in threaded connection with the screw rods, a supporting plate arranged between the sleeves, a first gear fixedly sleeved at the uppermost end of the screw rods, second gears in meshed connection with the first gear, and a rotating shaft fixedly arranged between the second gears. The center of the rotating shaft is provided with a third gear, the third gear is in meshed connection with a fourth gear, the fourth gear is fixedly connected with a rocker, and one end of the rocker penetrates through the upper wall of the box body; according to the material rack for machining, a crank at the upper end of the box body drives connection between gears to rotate, a screw rod in the box body is promoted to rotate, a sleeve and a supporting plate on the screw rod ascend and descend, and therefore the material rack for machining is driven to rotate. Therefore, the mec