Mold for injection molding of industrial cleaning machine bucket

The mold comprises an upper mold assembly, a lower mold assembly, an insert assembly, a core pulling assembly, an ejection assembly and a pouring assembly, the insert assembly is contained in an insert containing groove and comprises four inserts, and each insert is provided with a *-shaped groove and two second special-shaped partition plate grooves; the star-shaped groove is formed by sinking inwards from the top wall of the insert and penetrates through the two side walls of the insert in the width direction, the two second special-shaped partition plate grooves are formed in the two side walls of the insert in the width direction respectively, and the second special-shaped partition plate grooves are formed by sinking inwards from the side walls of the insert; the core-pulling assembly comprises two core-pulling columns which penetrate through the upper die plate and are arranged towards the lower die assembly, and the two core-pulling columns and the two rudder-shaped inner grooves are arranged in a one-