Sampler for frozen food detection

The utility model discloses a frozen food detection sampler which comprises a sampling body and a driving device used for driving the sampling body, the sampling body comprises a sampling barrel and a connecting part arranged at the tail end of the sampling barrel, and the frozen food detection sampler further comprises a material returning piston and a control assembly used for controlling the material returning piston. The material returning piston is movably arranged in the sampling barrel, the material returning piston can move in the axial direction of the sampling barrel, the material returning piston forms an air pressure cavity in the sampling barrel, and the control assembly enables the material returning piston to move towards the outlet end of the sampling barrel by increasing the air pressure in the air pressure cavity. 本实用新型公开了一种冷冻食品检测用取样器，包括取样本体，以及用于驱动取样本体的驱动装置，所述取样本体包括取样筒和设置在取样筒末端的连接部，还包括退料活塞以及用以控制退料活塞的控制组件，所述退料活塞活动设置在取样筒内，所述退料活塞可沿取样筒轴向移动，所述退料活塞在取样筒内形成气压腔，所述控制组件通过增加气压腔内部气压将退料活塞向取样筒的出口端移动。