Auxiliary gripping mechanism

Disclosed is an auxiliary gripping mechanism. The auxiliary gripping mechanism comprises a first gripping part, a second gripping part, a pneumatic element, a linear guideway and a control system. The first gripping part and the second gripping part are arranged oppositely on the linear guideway. The pneumatic element controls opening and closing movements of the first gripping part and the second gripping par on the linear guideway. The first gripping part comprises a driving rotary cylinder, a carrier roller and a constant speed motor, and the second gripping part also comprises a driving rotary cylinder, a carrier roller and a constant speed motor. The driving rotary cylinders are connected with the constant speed motors in a transmissional mode, and a control system of the pneumatic element and the constant speed motors are in electric connection with the control system. Angles between auxiliary wheels and driving wheels are used for gripping products, so the products are tightly attached to the driving w