Pre-split hole charging mold

The utility model relates to the technical field of pre-split hole blasting, in particular to a pre-split hole charging mold which comprises a cylindrical plastic mold body, openings are formed in the two ends of the plastic mold body, a through groove is formed in the upper end of the plastic mold body, and a detonating cord clamping groove is formed in the lower end of the plastic mold body. A detonating cord clamping groove is formed in the plastic mold body, the detonating cord clamping groove and the plastic mold body are integrally formed, the groove wall of the detonating cord clamping groove is in an arc shape, an emulsion explosive clamping groove is formed in the plastic mold body, and auxiliary baffles capable of facilitating placement of emulsion explosive cartridges are integrally formed on the two sides of a through groove. The inner groove wall of the detonating cord clamping groove is provided with clamping groove scales facilitating adjustment of the distance between emulsion explosive cartri