Injection mold facilitating demolding of turnover box

The invention discloses an injection mold facilitating demolding of a turnover box. The injection mold comprises a mold core mechanism; a mold opening is formed in a front inner mold, the mold openingis connected with an upper mold core of the mold core mechanism, a movable mold base plate is connected with a movable mold plate, and the movable mold plate penetrates through a push plate to be arranged and is connected with the mold core of the mold core mechanism; a front mold core sliding block and a rear mold core sliding block are provided with a front concave-shaped block and a rear concave-shaped block respectively, the front part and the rear part of the movable mold plate are provided with a front L-shaped block and a rear L-shaped block respectively, and the front L-shaped block and the rear L-shaped block are arranged on the front concave-shaped block and the rear concave-shaped block in a penetrating mode respectively; a left convex tongue and a right convex tongue are arranged on the a left mold co