Linear vibration feeding device

The utility model discloses a linear vibration feeding device which comprises a main vibration mass block, a first spring piece, a second spring piece, a vibration absorption mass block, a third spring piece and a fourth spring piece. The third spring piece, the first spring piece, the fourth spring piece and the second spring piece are parallel; the armature is arranged at one end of the main vibration mass block; the electromagnet is arranged on the base below the armature; an included angle of 90 degrees is formed between the connecting line of the mass centers of the main vibration mass block and the armature and the mass center of the vibration absorption mass block and the mounting surface of the third spring piece; the coupler comprises a rotating shaft, a first rotating arm and a second rotating arm, the first rotating arm is connected with the vibration absorption mass block, and the second rotating arm is connected with the main vibration mass block. The feeding device has the advantages that the ac