Automatic grooving machine

The utility model relates to the technical field of pipe fitting machining, and discloses an automatic grooving machine which comprises a supporting table and a fixing frame, two sliding grooves are formed in the outer surface of the top of the supporting table, a plurality of sliding wheels are rotationally connected into two fixing seats, a first hydraulic cylinder is fixedly installed at the end, close to the fixing frame, of an L-shaped frame, and a second hydraulic cylinder is fixedly installed at the end, close to the fixing frame, of the L-shaped frame. The output end of the first hydraulic cylinder is fixedly connected with the fixing frame. According to the automatic grooving machine, a pipe fitting is driven to a sleeve roller through a first hydraulic cylinder, a third motor is matched to drive a grooving wheel to rotate, and a first motor drives a limiting disc to drive the pipe fitting to rotate, so that grooving work is completed, and the effects that feeding and grooving work does not need to b