Plastic crusher with heat dissipation structure

The utility model discloses a plastic crusher with a heat dissipation structure. The plastic crusher comprises an electric box body, a fixing groove is formed in the side wall of the electric box body, a fan is mounted in the fixing groove, mounting lugs are connected to the four top corners of the fan, and screws are connected to the mounting lugs on one side of the fan. When the plastic crusher with the heat dissipation structure is used, firstly, a fan is taken and placed in a fixing groove, then a screw penetrates through a mounting lug on one side of the fan to be connected with an electric box main body, then a fixing rod is pushed to move along an opening in a fixing block, and then the fixing rod gets close to the mounting lug, so that the fixing rod is fixed to the electric box main body; and then the locking blocks are extruded by the mounting lugs to drive the first springs to deform, then the fixing rods are pushed to the bottoms of the mounting lugs, then the locking blocks are locked with the sl