Smashing device for polyethylene grid of lead-acid storage battery and smashing method thereof

The invention discloses a smashing device for a polyethylene grid of a lead-acid storage battery and a smashing method thereof. The invention relates to the technical field of smashing equipment. Support pillars are fixedly arranged on the lower side of a smashing box body, three rotating shafts are rotationally arranged inside the smashing box body, a first gear is fixedly arranged on the surface of one end of one rotating shaft, a third gear is fixedly arranged at the same end of another rotating shaft with the first gear, mounting bosses are fixedly arranged at four corners of the bottom of the smashing box body, a guide rod is fixedly arranged at the bottom of each mounting boss, the outer wall of each guide rod is sleeved with a spring, a filter sieve plate is fixedly arranged at the bottom of each guide rod, a rotating cam is rotationally arranged at the bottom of the side wall of the smashing box body, the shaft end of the rotating cam penetrates through the side wall of the smashing box body, and a se