Demolding structure of injection mold frame

The utility model discloses an injection mould frame demoulding structure which comprises a front mould and a rear mould, a product cavity is formed between the front mould and the rear mould, the rear mould comprises a rear mould plate, a rear mould middle plate and a rear mould frame, the rear mould frame comprises a rear mould bottom plate and two rear mould side plates, and the two rear mould side plates are connected to the rear mould bottom plate to form a U-shaped framework. A first plate, a second plate, a third plate and a fourth plate are sequentially arranged on the rear mold frame from the position close to the rear mold bottom plate to the far side, the first plate and the second plate are connected and push the rear mold plate through an ejector rod, the second plate and the rear mold middle plate are provided with limiting columns, and ejector pins are arranged on the third plate and the fourth plate in a matched mode and extend to a product cavity. According to the utility model, the product o