The invention discloses a slider penetrating device for a zipper. According to the technical scheme, the slider penetrating device comprises a rack, feeding mechanisms, a slider penetrating mechanism,a
cut-off mechanism and a chain dragging mechanical hand, wherein the feeding mechanisms comprise a chain belt feeding mechanism and a slider feeding mechanism, the slider feeding mechanism comprisesa vibrating plate and a feeding track, the rack is further provided with a single part pushing
assembly, a horizontal conveying mechanism is arranged at the
tail end of the lower end of the feeding track, the horizontal conveying mechanism comprises a horizontal sliding base, a material receiving plate and a horizontal drive mechanism, the horizontal sliding base is provided with a fixed block and a movable block, the fixed block, the movable block and the material receiving plate form a material receiving cavity for accommodating the slider, the material receiving cavity is arranged just opposite to a
discharge hole of the feeding track, the slider is pushed into the material receiving cavity of the horizontal sliding base through the single part pushing
assembly, the horizontal siding base is pushed towards the slider penetrating mechanism through the horizontal drive mechanism, thus the stability of the process of conveying the slider to the slider penetrating mechanism is increased, the conditions of blockage and material leak possibly caused by loading of the slider are reduced, and the use reliability of the device is improved.