Positioning and cutting device for cutting screen machining

The utility model provides a cutting screen processing positioning cutting device which comprises a supporting bottom box and a cutting platform, the top end of the supporting bottom box is fixedly connected with the cutting platform, three adsorption plates are installed at the top end of the cutting platform in an embedded mode, and sliding rail grooves are formed in the front face and the back face of the cutting platform. Electric sliding block bases are slidably connected into the two sliding rail grooves correspondingly, a cutting knife is fixedly installed at the bottom end of the driving trolley, right-angle baffles are fixedly installed at the four corners of the top end of the cutting platform correspondingly, a piston cylinder is fixedly installed in the supporting bottom box, and a powerful electromagnetic disc is fixedly installed at one end of the piston cylinder. Compared with a thread pressing mode, the cutting screen is not damaged to a certain degree, the cutting screen is simple and conveni