Clamping head of net pulling machine

The net pulling machine chuck comprises a base, an installation table and a first telescopic piece, a sliding rail is arranged on one side of the upper surface of the base, a sliding groove is formed in the surface of the bottom of the installation table, the installation table is installed on the sliding rail in a sliding mode through the sliding groove, and a clamping mechanism is fixedly installed on the upper surface of the installation table. The first telescopic piece is fixedly installed on the other side of the upper surface of the base, one end of a piston rod of the first telescopic piece is fixedly installed on the surface of one side of the installation table, and besides the silk screen is pressed and clamped through the clamping mechanism, the installation table can be driven to slide on the sliding rail through the first telescopic piece; in the clamping mechanism, a second telescopic piece is used for replacing a traditional handle which needs to be manually rotated, so that a worker can fix t