Multi-piece suction cup

The utility model discloses a multi-piece type suction cup, and relates to the technical field of sorting and packaging machinery. An inner cavity of the suction cup is divided into a vacuum cavity and a suction cavity through a partition plate, the vacuum cavity is upwards connected with an air channel, the vacuum cavity is downwards communicated with the suction cavity, the suction cavity sequentially comprises a buffer area, a ventilation area and a suction area from top to bottom, the buffer area comprises a semi-closed area defined by a top plate and side plates, and the bottom of the semi-closed area is open. The ventilation area is a ventilation opening area where the vacuum cavity communicates with the suction cavity. The suction area is an area defined by the side wall of the bottom of the suction cavity. The suction area is located at the front end of the suction cup, so that negative pressure acting above materials is as large as possible, the effect of sucking small biscuits can be achieved, the v