Injection molding machine

The utility model relates to the technical field of plastic production machinery, in particular to an injection molding machine which comprises an operation table, four groups of lifting hydraulic cylinders, a mounting plate, a material injection mechanism, an upper pressing die and a first lower pressing die, the device further comprises a horizontal air pressure rod, a second lower pressing die,a connecting plate, a first discharging mechanism and a second discharging mechanism, die grooves are formed in the first lower pressing die and the second lower pressing die, and the first discharging mechanism and the second discharging mechanism are fixedly arranged on the left portion and the right portion of the top end of the operation table correspondingly; each of the first discharging mechanism and the second discharging mechanism comprises an L-shaped mounting frame, a first discharging pneumatic rod, a second discharging pneumatic rod, a sliding block and a pneumatic sucker, a sliding rail is arranged on t