Parallel opening and closing pneumatic claw

The utility model relates to a parallel opening and closing pneumatic claw which comprises a cylinder body and two clamping finger assemblies which move oppositely or oppositely to form opening and closing actions, one end of the cylinder body is closed, a piston capable of reciprocating up and down is arranged in a containing space of the cylinder body, one end of the piston is fixedly connected with a driving rod, and the upper end of the driving rod is in a trapezoid shape with the narrow upper portion and the wide lower portion. Guide blocks are formed on the slopes on the two sides of the upper end of the driving rod, each clamping finger assembly comprises a clamping finger body and a sliding block, the vertical side faces of the sliding blocks of the two clamping finger assemblies face outwards, the slopes of the sliding blocks of the two clamping finger assemblies are oppositely arranged, sliding grooves are formed in the slopes, and the driving rod moves up and down in the sinking part. The driving g