Pneumatic finger cylinder

The utility model relates to a pneumatic finger cylinder. Receiving a piston in a cylinder, one end of the piston extends out of the piston rod; the end part of the piston rod extends out of a bottomplate of the cylinder body; the pneumatic finger cylinder further comprises a bracket; the bracket is fixedly connected with the end part of the piston rod by a compression screw penetrating through acentral hole of the bracket; the cross section of the bracket is I-shaped; two clamping grooves with opposite groove opening directions are formed in the two sides of the support. One side of the support is sequentially connected with a first swing arm and a first finger. The other side of the bracket is sequentially connected with a second swing arm and a second finger; extension plates are respectively arranged below the cylinder body according to front and back distribution positions; the cylinder body and the extension plate are fixedly installed, the first finger and the second finger are clamped between the fron