Welded packer slip

The utility model discloses a welding type packer slip which comprises a slip body, the slip body is provided with a first welding block, a second welding block and a third welding block, the first welding block is connected with the second welding block, the second welding block is connected with the third welding block, the side wall of the upper end of the third welding block is provided with a plurality of fixing blocks, and the fixing blocks are connected with the slip body. Mounting grooves are formed in the side walls of the lower ends of the first welding block and the second welding block, rotating shafts are rotatably connected between the inner walls of the two mounting grooves, connecting rods sleeve the two rotating shafts, and connecting blocks are rotatably connected to the ends, away from the rotating shafts, of the two connecting rods. Threaded teeth on the surface of the slip body are changed into the cylindrical fixing blocks, so that the contact area of the slip body and a casing pipe can