Automatic cutting device for PPTC (Polymeric Positive Temperature Coefficient) chip

The utility model relates to the technical field of PPTC processing, and discloses an automatic PPTC chip cutting device which comprises a bushing, sliding grooves are formed in the left side and the right side of the bushing, sliding blocks are connected to the inner sides of the sliding grooves in a sliding mode, a plurality of first springs are fixedly connected to the inner sides of the sliding blocks, the other ends of the first springs are fixedly connected with clamping plates, and the clamping plates are fixedly connected to the left side and the right side of the bushing. A plurality of protective sleeves are fixedly connected to the bottom end of the clamping plate, the inner sides of the protective sleeves are arranged at the top ends of the outer sides of the first springs, a bolt is arranged in the middle of the clamping plate, and a nut is in threaded connection with the middle of the outer side of the bolt. According to the metal plate cutting device, an operator is not prone to being scratched