Error-preventing cast-welding mold for positive and negative electrode marking plates

The invention provides an error-preventing cast-welding mold for positive and negative electrode marking plates. The error-preventing cast-welding mold comprises a mold body, fixing holes I are formedin four corners of the mold body, wherein fixing plates are arranged on the front side and the rear side of the mold body, fixing holes II are formed in the fixing plates, a cooling water pipe is distributed at the lower end of the mold body, and a water inlet pipe and a water outlet pipe which are connected with the cooling water pipe are arranged on the left side and the right side of the cooling water pipe respectively; two rows of cast welding grooves are distributed in the mold body, a negative electrode mark and a positive electrode mark are arranged at the left end and the right end ina front-row cast welding groove respectively, a positive electrode mark and a negative electrode mark are arranged at the left end and the right end in a back-row cast welding groove respectively, and a confluence groove is f