Numerical control flame plasma jig cutting prevention device and use method thereof

The invention relates to the technical field of a numerical control flame plasma jig, in particular to a numerical control flame plasma jig cutting prevention device and a use method thereof. The numerical control flame plasma jig cutting prevention device comprises a motor, a jig rib plate and a jig body, wherein the motor is arranged on a support leg of a cutting machine, the motor is connectedwith an electric push rod, the jig rib plate is arranged at the bottom of the electric push rod, a plurality of sets of telescopic sleeve mechanisms are arranged at the bottom of the jig rib plate, and the telescopic sleeve mechanisms are arranged on the jig body. The use method of the device is carried out according to the following steps: adding the instruction M07 and M08 in the CNC code, modifying the circuit of the cutting machine, and setting the warm-up delay time. Compared with the prior art, by using the numerical control flame plasma cutting, the numerical control flame plasma jig cutting prevention device a