The invention relates to a vibration plunger type injection molding device.The vibration plunger type injection molding device comprises a machine barrel, a plunger, a hollow screw, a material hopper, bases, centrifugal thrust bearing sets, a transmission mechanism, a motor, an injection bracket, an injection oil cylinder, a gear, a mobile oil cylinder and an electric heating ring.The vibration plunger type injection molding device is characterized by further comprising a vibrator and a motion control instrument; a plastification region and an injection region are arranged inside the material barrel, the plastified screw is located inside the plastification region of the material barrel, the right of the plunger is located inside the injection region in a clearance fit mode, an external thread groove is formed in the external surface of the plastified screw, the left end of the external thread groove is communicated with the material hopper, the right end of the external thread groove is communicated with the injection region of the machine barrel, and material plastification and injection of the injection device are completed in the same machine barrel; the vibrator is installed between a push rod and the plunger of the injection oil cylinder and drives the plunger to move in the axial direction or circumferential direction or move in the axial direction and circumferential direction, and the motion control instrument controls the vibrator to vibration.The structure is simple, energy consumption is low, tensile strength and impact strength of a product which is obtained through dynamic injection molding are improved, density is large, the crystallinity of a sample is improved, and the interior quality and appearance quality of the product are greatly improved.