Stretcher

The utility model discloses a stretcher which comprises a rack, a stretching mechanism and an edge pressing mechanism, the stretching mechanism comprises a stretching hydraulic device, a male die and a female die, the stretching hydraulic device is arranged on the rack, and the male die is connected with the stretching hydraulic device; the female die is arranged on the machine frame and located below the male die, the stretching hydraulic device drives the male die to enter a cavity of the female die or leave from the cavity of the female die, and a discharging channel communicated with the cavity of the female die is arranged on the side wall face of the female die. The edge pressing mechanism is arranged on the rack and used for pressing a plate placed on the female die when the male die moves into the female die. Compared with the prior art, according to the stretching machine, compared with a stretching machine which needs to eject a formed workpiece out of a female die or take down the formed workpiece