Anti-blocking powder falling hopper for 3D printer

The anti-blocking powder falling hopper comprises a powder falling hopper body, a feeding port is formed in the top of the powder falling hopper body, a discharging port is formed in the bottom of the powder falling hopper body, a first opening is formed in the side wall of the powder falling hopper body, an inner lining plate is installed on the side wall of the powder falling hopper body through an elastic piece, and the inner lining plate is located in the first opening. A vibrating mechanism is arranged on the outer side of the inner lining plate; the first opening is formed in the side wall of the powder falling hopper, the inner lining plate is arranged in the first opening to replace part of the side wall of the powder falling hopper, the inner lining plate is connected with the side wall of the powder falling hopper through the elastic piece, and only a small part of vibration of the inner lining plate can be transmitted to the powder falling hopper. In other words, only a small part of vibration gene