An automatic machine comprising: - a load-bearing frame comprising a base , at least one vertical side wall , a horizontal wall facing the base , a vertical front wall , defining a machine front, from which protrudes at least one motor-driven supporting shaft which supports a respective reel of wound material; - a plurality of operating stations positioned on the front wall through which a processing path extends along which said material proceeds while it is unwound from the reel ; - a first storage unit configured to house replacement reels and positioned directly associated with the load-bearing frame of the machine and located close to the shaft supporting the reel ; - a device for picking up and releasing replacement reels configured for picking up one of the replacement reels from the first storage unit and positioning it on the supporting shaft , said pick-up and release device being positioned directly associated with the load-bearing frame and located close to the first storage unit ; and - a control unit configured for activating the device for picking up and releasing reels in response to a run out signal of the reel present on the supporting shaft , the automatic machine being characterized in that it further comprises - a reel pressing element configured to stabilise the replacement reel on the supporting shaft ; the reel pressing element being carried by a supporting element associated outside the frame of the machine, close to the first storage unit and the pick-up and release device ; the supporting element being equipped with means for quick coupling and detachment of the reel pressing element in such a way as to allow it to be picked up and repositioned by the pick-up and release device . - a load-bearing frame comprising a base , at least one vertical side wall , a horizontal wall facing the base , a vertical front wall , defining a machine front, from which protrudes at least one motor-driven supporting shaft which supports a respective reel of wound material; - a plurality of operating stations positioned on the front wall through which a processing path extends along which said material proceeds while it is unwound from the reel ; - a first storage unit configured to house replacement reels and positioned directly associated with the load-bearing frame of the machine and located close to the shaft supporting the reel ; - a device for picking up and releasing replacement reels configured for picking up one of the replacement reels from the first storage unit and positioning it on the supporting shaft , said pick-up and release device being positioned directly associated with the load-bearing frame and located close to the first storage unit ; and - a control unit configured for activating the device for picking up and releasing reels in response to a run out signal of the reel present on the supporting shaft , the automatic machine being characterized in that it further comprises - a reel pressing element configured to stabilise the replacement reel on the supporting shaft ; the reel pressing element being carried by a supporting element associated outside the frame of the machine, close to the first storage unit and the pick-up and release device ; the supporting element being equipped with means for quick coupling and detachment of the reel pressing element in such a way as to allow it to be picked up and repositioned by the pick-up and release device . <EOS>