Stone crusher with filter screen convenient to replace

The stone crusher comprises a stone crushing box, a through hole is formed in the bottom face of the stone crushing box, two first sliding grooves are formed in the inner side wall of the through hole, the interiors of the two first sliding grooves are jointly connected with the filter screen in a sliding mode, two second sliding grooves are formed in the outer surface of the stone crushing box, and the filter screen is connected with the two second sliding grooves in a sliding mode. The interior of each second sliding groove is slidably connected with a sliding block, two baffles are arranged outside the stone crushing box, and each sliding block is fixedly connected with the corresponding baffle. According to the device, the motor is started through the control panel, different gears can be switched through the control panel according to production requirements, and when products of different specifications need to be manufactured or the filter screen is damaged, the filter screen can be easily taken out of