Device for injecting glue into inner hole of radial extrusion pipe joint

The utility model provides a device for injecting glue into an inner hole of a radial extrusion pipe joint. The device comprises a base, a fixing sleeve, a pipeline, a joint, a fixing bracket, a rotating shaft, a supporting plate, a clamping mechanism and a spring clamping sleeve, the rotating shaft is fixedly connected with the base; the rotating shaft comprises a shaft section, and a mounting plate is arranged at one end of the shaft section; the mounting plate is located above the fixing sleeve, and the shaft section extends into the fixing sleeve; one end of the support plate is fixedly mounted above the mounting plate; a groove I, a groove II, a groove III, a groove IV and a groove V are formed in the outer side of the shaft section, and sealing rings are arranged in the groove I, the groove III and the groove V in a sleeved mode respectively. The clamping mechanism comprises two sets of clamping pieces composed of air cylinders, sliding blocks and clamping plates. The two clamping plates are used for cl