Cutting device for zipper feeding

According to the technical scheme, the cutting device for zipper feeding is characterized by comprising a cutter seat, a first glue feeding channel and a second glue feeding channel are arranged on the cutter seat, a valve box and a lifting air cylinder used for driving the valve box to move up and down are connected to the cutter seat in a sliding mode, and a blade is arranged on the inner side of the valve box; the valve box is in an n shape, penetrating grooves allowing adhesive tape to penetrate through are formed in the two sides of the valve box, the lifting air cylinder is installed above the valve box, an operation groove allowing the extending end of the lifting air cylinder to penetrate through is formed in the upper end of the valve box, and the extending end of the lifting air cylinder is connected with the cutter base. The stability of the blade during movement is improved, and the service life of the cutting device is prolonged. 本实用新型公开了一种拉链进料用切割装置，其技术方案要点是包括有切刀座，切刀座上设置有第一送胶通道和第二送胶通道，切刀座上滑移连接有阀盒