Reinforcing steel bar universal sleeve assembling device

The utility model relates to a reinforcing steel bar universal sleeve assembling device, which belongs to the field of construction reinforcing steel bar processing, and comprises a rack, an air cylinder is arranged on the rack, a movable clamping block is arranged at the end part of a telescopic rod of the air cylinder, and a fixed clamping block is arranged on the rack corresponding to the movable clamping block and far away from the air cylinder; the sides, close to each other, of the movable clamping block and the fixed clamping block are each provided with a groove capable of being matched with a steel bar. A percussion drill is arranged at the position, corresponding to the fixed clamping block, of the rack, a chuck of the percussion drill is connected with a sleeve, the sleeve can be arranged on the universal sleeve in a sleeving mode, a clamping groove is formed in the position, corresponding to the branch pipe, of the sleeve, the branch pipe can be inserted into the clamping groove, and a driving ass