Rapid mold changing device of injection molding machine

The utility model provides a quick mould changing device of an injection molding machine, which comprises a bottom plate, a lifting mechanism, a support column, a support plate, a conveying mechanism and a fixing plate, when the quick mould changing device is used, a second electromagnet is electrified, a new mould is fixed on the upper surface of a storage plate, a handrail is pushed, the quick mould changing device is moved to a proper position, a hydraulic cylinder is started, and the lifting plate is lifted to be in contact with an old mould; after an old mold is disassembled, a first electromagnet is powered on, the old mold is fixed to the upper surface of a lifting plate, a hydraulic cylinder is started, the old mold descends to a proper position, an electric push rod extends, a new mold moves to a proper position, a second electromagnet is powered off, and then the new mold is installed; and the electric push rod retracts to drive the storage plate to return to the original position, the handrail is p