Concrete blanking machine convenient to adjust

The utility model discloses a concrete blanking machine convenient to adjust, which comprises a concrete blanking machine, the bottom of the concrete blanking machine is communicated with a discharge pipe, the left side of the discharge pipe is fixedly connected with a fixed box, the bottom of the fixed box is fixedly connected with a transmission box, and the left side of the inner wall of the fixed box is movably connected with a screw rod through a bearing. The output end of the motor drives the supporting rod to rotate through the bevel gear, the supporting rod rotates to drive the worm to rotate, the worm rotates to drive the worm gear to rotate, the worm gear rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the protection block to move, and therefore the discharging pipe can conduct discharging; according to the concrete discharging machine, the distance between the concrete discharging machine and the discharging pipe is adjusted through the protection block, the material