Improved powder coating crushing device

The utility model relates to the technical field of coating preparation, in particular to an improved powder coating smashing device which comprises a smashing box and a smashing and filtering assembly detachably arranged in the smashing box, and the smashing and filtering assembly comprises a first filtering baffle and a second filtering baffle which are symmetrically arranged. The first filtering baffle and the second filtering baffle define a filtering blocking frame of a hollow cylindrical structure, the top of the first filtering baffle and the top of the second filtering baffle are each provided with an installation block of an arc structure, and the inner side of each installation block is provided with an installation groove extending in the length direction of the installation block; a filtering bottom plate is in threaded connection with the bottom of the first filtering baffle and the bottom of the second filtering baffle, through the arrangement of the smashing and filtering assembly, workers can