The punching device of automatic ultra-high speed bag making machine relates to the technical field of bag making machine. Including a booster cylinder and a punching plate support seat; Two booster cylinder fixing plates are installed on the upper fixing beam of the bag making machine, and two booster cylinders are installed on the fixing plate of the booster cylinder; The lower end of the piston rod of the booster cylinder is provided with a punching knife connecting seat, a punching knife connecting plate is installed below the punching knife connecting plate, the lower end of the connecting seat of the punching knife plate is provided with a punching knife plate; The punching plate supports the seat just below the punching knife plate; An adjusting support seat is arranged above the lower fixed beam of the plastic bag making machine. The upper end of the adjusting screw passes through the adjusting support seat and the lower end is connected with the lower fixed beam. The bearing and flat bearing are installed on the adjusting support seat, and the punching plate support seat is installed on the flat bearing.
The device solves the similar equipment can not adjust the height, the adjustment of the operation is not convenient, and out of the bag is not smooth, punching depth is different, and the support plate can not be rotated, short service life of the punching plate and other problems.
