Adjustable feeding and discharging clamping jaw

The utility model provides an adjustable feeding and discharging clamping jaw, and belongs to the technical field of machinery. An adjustable feeding and discharging clamping jaw comprises two oppositely-arranged fixing blocks which can be driven by a driving part to get away from or get close to each other, and is characterized in that clamping blocks are connected to the inner sides of the fixing blocks through reset assemblies, and stroke adjusting rods are connected to the fixing blocks in a threaded mode; the stroke adjusting rod is rotated to push the clamping block to move towards the inner side so as to adjust the relative position of the clamping block and the fixing block, and when the stroke adjusting rod is rotated to move towards the outer side, the reset assembly can drive the clamping block to retreat towards the outer side. The strokes of the clamping blocks are adjusted through the stroke adjusting rods, the clamping blocks have the reset function all the time under the action of the reset as